@article{DE_1985_21_10_a17,
     author = {A. B. Vasil'eva and V. T. Volkov},
     title = {Periodic solutions of singularly perturbed equations of parabolic type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1755--1760},
     publisher = {mathdoc},
     volume = {21},
     number = {10},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_10_a17/}
}