@article{DE_1971_7_11_a6,
     author = {Yu. A. Gershman and A. D. Myshkis},
     title = {On the formulation of boundary value problems with infinite defect for differential equations with deviating argument},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1992--1997},
     publisher = {mathdoc},
     volume = {7},
     number = {11},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1971_7_11_a6/}
}