@article{DE_2005_41_10_a0,
     author = {Yu. F. Dolgii and A. V. Zakharov},
     title = {Periodic {Oscillations} in {Conservative} {Systems} with a {Small} {Delay}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1299--1309},
     publisher = {mathdoc},
     volume = {41},
     number = {10},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2005_41_10_a0/}
}