@article{120134,
author = {Franti\v sek Krutsk\'y},
title = {Homomorphic correspondences of relational systems},
journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
volume = {22},
year = {1983},
pages = {37-46},
zbl = {0589.20050},
mrnumber = {744698},
language = {en},
url = {http://dml.mathdoc.fr/item/120134}
}
Krutský, František. Homomorphic correspondences of relational systems. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 22 (1983) pp. 37-46. http://gdmltest.u-ga.fr/item/120134/
Ob algebraizacii teoretiko-množestvennoj modeli jazyka, Problemy kibernetiki, vyp. 15, str. 235-245, Moskva 1965. (1965) | MR 0218155
Algebraičeskije systemy, Moskva 1979, izd. Nauka. (1979)