TY - JOUR AU - A. N. Guz AU - V. N. Chekhov TI - Application of the variational methods in the problems of stratified JO - Doklady Akademii Nauk PY - 1985 SP - 1123 EP - 1126 VL - 283 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1985_283_5_a23/ LA - ru ID - DAN_1985_283_5_a23 ER -