IEEETCMFC,IEEE Symposium on Logic in Computer Science.IEEE Symposium on Logic in Computer Science(5th : 1990 : Philadelphia, PA):proceedings.IEEE Computer Society Pr.,1990.
Symposium on Logical Foundations of Computer Science.Symposium on Logical Foundations of Computer Science(1989 : Pereslavl Zalessky, USSR):Logic at Botik`98 : proceedings.Springer,1989.
International Symposoium on Logical Foundation of Computer Science.International Symposium on Logical Foundation of Computer Science(2nd : 1992 : Tver):Logical foundations of computer Science.Springer,1992.
International Symposium on Logical Foundations of Computer Science.International Symposium on Logical Foundations of Computer Science(2nd : 1992 : Tver):Logiccal foundations of computer science.Springer,1992.
International Symposium on Programming Language Implementation and Logic Programming,PLILP 91.International Symposium on Programming Language Implementation and Logic Programming(3rd : 1991 : Passau):programming language Implementation and Logic Programming : proceedings.Springer,1991.
International Symposium on Programming Language Implementation and Logic Programming(3rd : 1991 : Passau):programming language Implementation and Logic Programming : proceedings
International Symposium on Programming Language Implementation and Logic Programming,PLILP 91.Springer,1991.