TY  - JOUR
AU  - Hájek, Otomar
TI  - Direct decompositions of lattices, I
JO  - Czechoslovak Mathematical Journal
PY  - 1957
SP  - 1
EP  - 15
VL  - 7
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1957.100225/
DO  - 10.21136/CMJ.1957.100225
LA  - en
ID  - 10_21136_CMJ_1957_100225
ER  -