TY  - JOUR
AU  - L. M. Martynov
TI  - On the problem of spectra of solvability for varieties of
JO  - Algebra i logika
PY  - 1990
SP  - 162
EP  - 178
VL  - 29
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1990_29_2_a3/
LA  - ru
ID  - AL_1990_29_2_a3
ER  -