@article{DE_1985_21_1_a11,
     author = {A. P. Makhmudov},
     title = {The property of being a basis for a system of eigenelements of some nonlinear operator equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {84--91},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_1_a11/}
}