@article{DE_1985_21_10_a29,
     author = {P. I. Naumkin and I. A. Shishmarev},
     title = {The {Whitham} equation with a singular kernel and small interaction},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1818--1819},
     publisher = {mathdoc},
     volume = {21},
     number = {10},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_10_a29/}
}