TY  - JOUR
AU  - Chajda, Ivan
TI  - Principal tolerances on lattices
JO  - Czechoslovak Mathematical Journal
PY  - 1989
SP  - 176
EP  - 180
VL  - 39
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1989.102290/
DO  - 10.21136/CMJ.1989.102290
LA  - en
ID  - 10_21136_CMJ_1989_102290
ER  -