TY  - JOUR
AU  - Yu. D. Shmidt
TI  - Densely simple sets with retraceable complements
JO  - Algebra i logika
PY  - 1991
SP  - 106
EP  - 117
VL  - 30
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1991_30_1_a8/
LA  - ru
ID  - AL_1991_30_1_a8
ER  -