TY - BOOK AU - Keyfitz,B.L & Kranzer,H.C ED - Kranzer, H.C TI - Nonstrictly hyperbolic conservation laws: proceedings of an AMS special session held jan 9-10, 1985 T2 - Contemporary mathematics 60 SN - 0821850695 U1 - 6.05 PY - 1987/// CY - Providence PB - American Mathematical Society ER -