D.BĂLEANU. S. BAŞKAL
Lax tensors and separable coordinates in (2+1) dimensions..  /1189-1194/

E.J. BEGGS
Non-trivially associated tensor categories and left coset representatives. .  /1195-1199/

L.O. CHEKHOV, V.V. FOCK
Observables in 3D gravity and geodesic algebras..  /1201-1208/

C. DASKALOYANNIS
Polynomial Poisson algebras for two dimensional classical superintegrable systems and polynomial. associative algebras for quantum superintegrable systems.  /1209-1214/

E. E. DONETS, A. I. PASHNEV, M.M. TSULAIA, D. P. SOROKIN, V.O. RIVELLES
Potential structure of AdS spaces..  /1215-1220/

B. FAUSER
On the relation of Manin´s quantum plane and quantum Clifford algebras..  /1221-1227/

M.L. GE, L.C. KWEK, C.H. OH, K. XUE
Yangians and transition operators..  /1229-1234/

M. HAVLÍČEK, A.U. KLIMYK, S. POŠTA
Classification of representations of the algebra U_q´(so₃) through examples..  /1235-1238/

F.J. HERRANZ, A. BALLESTEROS
Quasi-integrable and superintegrable systems from a ‘deformed-mass’ two-photon algebra..  /1239-1244/

A. HORZELA
Wigner approach to noncanonical quantizations.  /1245-1250/

V.I. INOZEMTSEV
Integrability of SU (N) spin chains with elliptic exchange..  /1251-1256/

N.Z. IORGOV, A.U. KLIMYK
Representations of the nonstandard (twisted) deformation U_q´(so_n) for q a root of unity..  /1257-1263/

H.P. JAKOBSEN
Quantized Dirac operators..  /1265-1270/

C. JUSZCZAK
Two extensions of the e(2) Lie bialgebra..  /1271-1278/

E. KAPUŚCIK
Galilean covariant Lie algebra of quantum mechanical observables..  /1279-1282/

P. KOSIŃSKI, P. MAŚLANKA, J. LUKIERSKI
Local field theory on k-Minkowski space, star products and noncommutative translations..  /1283-1290/

P.P. KULISH, V.D. LYAKHOVSKY, A. STOLIN
Full chains of twists for orthogonal algebras..  /1291-1296/

M. DE MONTIGNY
Graded contractions of Lie algebras and central extensions..  /1297-1302/

J. NEGRO, L.M. NIETO, D.J. FERNÁNDEZ C.
Darboux transformations for Lamé potentials..  /1303-1308/

A. NERSESSIAN
D-dimensional massless particle with extended gauge invariance..  /1309-1315/

M. NIEDERMAIER, H. SAMTLEBEN
Sequential Bethe vectors and the quantum Ernst system..  /1317-1321/

C. OHN
A classification of quantum GL(2,C)´s..  /1323-1328/

A.N. PANOV
Fields of fractions of some SL_q(2)-motion algebras..  /1329-1334/

A. PASHNEV
The superconformal algebras in one dimension and spinning particles..  /1335-1339/

Z. POPOWICZ
Nonlocal charges in SUSY integrable models..  /1341-1345/

V.-B.K. ROGOV
q²-convolution and its q²-Fourier transform..  /1347-1352/

P. ŠŤOVÍČEK
Some remarks on U_q (sl(2,R) at root of unity..  /1353-1358/

V.N. TOLSTOY, J.P. DRAAYER
New approach in theory of Clebsch-Gordan coefficients for u(n)and U₂(n(n))..  /1359-1369/

F. WAGNER, A.J. MACFARLANE
Solvable Gaudin models for higher rank symplectic algebras..  /1371-1377/

M. WELK
Differential calculus on quantum Euclidean spheres..  /1379-1384/