TY - BOOK AU - Vande snepscheut J L A Ed. ED - International conference on mathematics of program construction (1989 : Netherlands) TI - Proceedings on mathematics of program construction T2 - Lecture notes in computer science; 375 U1 - D65,8(B)92p1,N89, M9 PY - 1989/// CY - Berlin PB - Springer-Verlag KW - Computer programming ER -