@article{DE_1974_10_9_a16,
     author = {A. T. Taldykin},
     title = {Variational methods for solving equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1714--1720},
     year = {1974},
     volume = {10},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_9_a16/}
}