@article{ZVMMF_1985_25_4_a11,
     author = {A. B. Vasil'eva and V. T. Volkov},
     title = {Periodic solutions of some singularly-perturbed equations of parabolic type},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {609--614},
     publisher = {mathdoc},
     volume = {25},
     number = {4},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1985_25_4_a11/}
}