TY  - JOUR
AU  - A. A. Tsarev
TI  - On non-distributivity of the lattice of all $n$-multiply $\omega$-composition formations
JO  - Problemy fiziki, matematiki i tehniki
PY  - 2011
SP  - 84
EP  - 88
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PFMT_2011_3_a14/
LA  - ru
ID  - PFMT_2011_3_a14
ER  -