TY - BOOK AU - Arato M Ed. AU - Varga L Ed. ED - Hungarian computer science conference on mathematical models in computer systems (1981 : Budapest) TI - Proceeding on mathematical models in computer systems U1 - D65,8(B)p5932,N81, M1 PY - 1981/// CY - Budapests PB - Akademial KW - Computer science ER -