TY  - JOUR
AU  - J. Carruth
TI  - Lifting trees under light open maps
JO  - Fundamenta Mathematicae
PY  - 1970
SP  - 215
EP  - 217
VL  - 66
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-66-2-215-217/
DO  - 10.4064/fm-66-2-215-217
LA  - en
ID  - 10_4064_fm_66_2_215_217
ER  -