TY  - JOUR
AU  - Z. Semadeni
TI  - On classification, logical educational materials, categories, and automata
JO  - Colloquium Mathematicum
PY  - 1974
SP  - 137
EP  - 153
VL  - 31
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-31-1-137-153/
DO  - 10.4064/cm-31-1-137-153
LA  - en
ID  - 10_4064_cm_31_1_137_153
ER  -