Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1978_240_6_a1, author = {V. P. Didenko}, title = {A variational method of solving boundary value problems whose operator is not symmetric}, journal = {Doklady Akademii Nauk}, pages = {1277--1280}, publisher = {mathdoc}, volume = {240}, number = {6}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1978_240_6_a1/} }
V. P. Didenko. A variational method of solving boundary value problems whose operator is not symmetric. Doklady Akademii Nauk, Tome 240 (1978) no. 6, pp. 1277-1280. http://geodesic.mathdoc.fr/item/DAN_1978_240_6_a1/