TY - BOOK AU - Deussen Peter Ed. ED - GI-conference on theoretical computer science (5 : 1981 : Karlsruhe) TI - Proceeding on theoretical computer science T2 - Lecture notes in computer science; 104 U1 - D65,8(B)p1,N81, M1 PY - 1981/// CY - Berlin PB - Springer-Verlag KW - Computer science ER -