@article{DAN_1962_146_5_a10,
     author = {V. M. Millionshchikov},
     title = {The theory of differential equations with a small factor multiplying the derivatives in linear topological sapces},
     journal = {Doklady Akademii Nauk},
     pages = {1021--1024},
     publisher = {mathdoc},
     volume = {146},
     number = {5},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_146_5_a10/}
}