ON THE EQUIVALENCE PROBLEM FOR BINARY DOL SYSTEMSKARHUMAEKI J.1982; LECTURE NOTES IN COMPUTER SCIENCE; ISSN 0302-9743; DEU; DA. 1982; VOL. 140; PP. 339-347; BIBL. 12 REF.Conference Paper

ON THE EQUIVALENCE PROBLEM FOR BINARY DOL SYSTEMSKARHUMAEKI J.1982; INFORM. CONTROL; ISSN 0019-9958; USA; DA. 1982; VOL. 50; NO 3; PP. 276-284; BIBL. 12 REF.Article

GENERALIZED PARIKH MAPPING AND HOMOMORPHISMSKARHUMAEKI J.1981; LECT. NOTES COMPUT SCI.; ISSN 0302-9743; DEU; DA. 1981; NO 115; PP. 324-332; BIBL. 10 REF.Conference Paper

SYSTEMS OF EQUATIONS OVER A FREE MONOID AND EHRENFEUCHT'S CONJECTURECULIK K II; KARHUMAEKI J.1983; DISCRETE MATH.; ISSN 0012-365X; NLD; DA. 1983; VOL. 43; NO 2-3; PP. 139-153; BIBL. 14 REF.Article

THE (GENERALIZED) POST CORRESPONDANCE PROBLEM WITH LISTS CONSISTING OF TWO WORDS IS DECIDABLEEHRENFEUCHT A; KARHUMAEKI J; ROZENBERG G et al.1982; THEOR. COMPUT. SCI.; ISSN 0304-3975; NLD; DA. 1982; VOL. 21; NO 2; PP. 119-144; BIBL. 14 REF.Article

Loops in automata and HDTOL relationsCULICK, K; KARHUMAÊKI, J.Informatique théorique et applications (Imprimé). 1990, Vol 24, Num 4, pp 327-337, issn 0988-3754, 11 p.Article