TY  - JOUR
AU  - Karásek, Jiří
TI  - Double $n$-ary relational structures
JO  - Mathematica Bohemica
PY  - 1997
SP  - 169
EP  - 174
VL  - 122
IS  - 2
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/articles/10.21136/MB.1997.125916/
DO  - 10.21136/MB.1997.125916
LA  - en
ID  - 10_21136_MB_1997_125916
ER  -