TY - BOOK AU - Yang,Deane TI - Involutive hyperbolic differential systems T2 - Memoirs of the American Mathematical Society, SN - 9781470407865 (online) AV - QA3QA649 .A57 no.370 U1 - 510 s515.3/53 19 PY - 1987/// CY - Providence, R.I., U.S.A. PB - American Mathematical Society KW - Geometry, Differential KW - Differential equations, Hyperbolic N1 - "Volume 68, number 370 (end of volume)."; Bibliography: p. 92-93; 1. Involutive hyperbolic symbols; 2. Involutive hyperbolic linear differential operators; 3. Involutive hyperbolic quasilinear differential operators; 4. Involutive hyperbolic Pfaffian differential systems; 5. Applications to differential geometry; Access is restricted to licensed institutions; Electronic reproduction; Providence, Rhode Island; American Mathematical Society; 2012 UR - http://www.ams.org/memo/0370 UR - http://dx.doi.org/10.1090/memo/0370 ER -