@article{DE_1979_15_9_a19,
     author = {B. V. Loginov},
     title = {Variational methods in bifurcation theory under conditions of group invariance},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1710--1712},
     publisher = {mathdoc},
     volume = {15},
     number = {9},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_9_a19/}
}