@article{DE_1992_28_1_a13,
     author = {P. I. Naumkin and I. A. Shishmarev},
     title = {Generalized solutions for the {Whitham} equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {121--126},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_1_a13/}
}