TY  - JOUR
AU  - Zelinka, Bohdan
TI  - Bases of classes of trees closed under subdivisions
JO  - Mathematica slovaca
PY  - 1980
SP  - 61
EP  - 64
VL  - 30
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MASLO_1980__30_1_a6/
LA  - en
ID  - MASLO_1980__30_1_a6
ER  -