TY - BOOK AU - Hartmains J AU - Becvar Ed. AU - Goods G ED - Symposium on mathematical foundations of computer science (1979 : Czechoslovakia) TI - Proceeding on mathematical foundations of computer science T2 - Lecture notes in computer science; 14 U1 - B0aD65,8(B)p1,N79, N79 PY - 1979/// CY - Berlin PB - Springer-verlag ER -