@article{DAN_1983_271_5_a1,
     author = {L. A. Beklaryan},
     title = {A variational problem with retarded argument and its relation to},
     journal = {Doklady Akademii Nauk},
     pages = {1036--1040},
     publisher = {mathdoc},
     volume = {271},
     number = {5},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_271_5_a1/}
}