TY  - JOUR
AU  - Janák, Jaroslav
TI  - The calculus of an unnormalized relational model of data
JO  - Kybernetika
PY  - 1984
SP  - 231
EP  - 239
VL  - 20
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/KYB_1984_20_3_a3/
LA  - en
ID  - KYB_1984_20_3_a3
ER  -