TY  - JOUR
AU  - A. V. Zhukov
AU  - O. V. Kudinov
AU  - V. L. Selivanov
TI  - Definability of closure operations in the $h$-quasiorder of labeled forests
JO  - Algebra i logika
PY  - 2010
SP  - 181
EP  - 194
VL  - 49
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_2010_49_2_a2/
LA  - ru
ID  - AL_2010_49_2_a2
ER  -