Joshi N. explicit one-soliton solution of the (2+1)-dimensional generalized sine-Gordon equations / N.Joshi, 1989. - 11 p. - Текст : непосредственный.
Joshi N. simple proof that painleve equations have no movable essential singularities / N.Joshi,M.D.Kruskal, 1990. - 26 p. - Текст : непосредственный.