TY - JOUR AU - S. M. Churilov AU - I. G. Shuhman TI - A nonlinear perturbation theory for weakly supercritical stratified JO - Doklady Akademii Nauk PY - 1987 SP - 1372 EP - 1378 VL - 293 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_293_6_a20/ LA - ru ID - DAN_1987_293_6_a20 ER -