Polyanin, A. D. Handbook of first order partial differential equations / A. D. Polyanin, V. F. Zaitsev and A. Moussiaux. - London : Taylor & Francis, 2002. - xiv, 500 p. : ill. ; 25 cm. - Differential and integral equations and their applications; vol. 1. . Includes index and references : p. 493-496. ISBN: 041527267X RM728.07 Subjects--Topical Terms: Differential equations, Partial.