@article{DE_1986_22_2_a10,
     author = {M. M. Khapaev and K. V. Mal'kov},
     title = {A class of methods for studying the asymptotic behavior of the solutions of differential equations with closed operators},
     journal = {Differencialʹnye uravneni\^a},
     pages = {255--267},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1986_22_2_a10/}
}