TY - JOUR AU - A. M. Vinogradov TI - A spectral sequence associated with a nonlinear differential equation, and algebro-geometric foundations of Lagrangian field theory with constraints JO - Doklady Akademii Nauk PY - 1978 SP - 1028 EP - 1031 VL - 238 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1978_238_5_a3/ LA - ru ID - DAN_1978_238_5_a3 ER -