Anderson, Robert L. Lie-Bäcklund transformations in applications - Philadelphia SIAM, 1979 - ix, 124 p. : il. - SIAM studies in applied mathematics ; 1 . p. 119-121 Subjects--Topical Terms: GEOMETRIA DIFERENCIALGRUPOS LIEFISICA MATEMATICA Dewey Class. No.: 516.7 / A549