TY  - BOOK
AU  - Kreczmar, A. Ed.
AU  - Mirkowska, G. Ed.
TI  - Mathematical Foundations of Computer Science 1989: Proceedings, Porabka-Kozubnik, Poland, 1989
SN  - 3540514864
CY  - Berlin
KW  - Mathematical Foundations
KW  - Computer Science 1989
ER  -