TY  - JOUR
AU  - Boyang Ding
AU  - Changming Ding
TI  - Prolongational centers and their depths
JO  - Fundamenta Mathematicae
PY  - 2016
SP  - 287
EP  - 296
VL  - 234
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm22-10-2015/
DO  - 10.4064/fm22-10-2015
LA  - en
ID  - 10_4064_fm22_10_2015
ER  -