TY - JOUR AU - A. A. Il'yushin AU - Kh. Movlyankulov AU - R. M. Sunchaliev AU - A. N. Filatov TI - Some methods of investigating nonlinear problems in the theory of viscoelasticity JO - Doklady Akademii Nauk PY - 1972 SP - 59 EP - 61 VL - 206 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1972_206_1_a14/ LA - ru ID - DAN_1972_206_1_a14 ER -