TY - JOUR AU - V. A. Yudin TI - Invariants and Chebyshev polynomials JO - Trudy Instituta matematiki i mehaniki PY - 2009 SP - 222 EP - 239 VL - 15 IS - 1 UR - http://geodesic.mathdoc.fr/item/TIMM_2009_15_1_a17/ LA - ru ID - TIMM_2009_15_1_a17 ER -