TY  - JOUR
AU  - Togo Nishiura
TI  - Inductive invariants of closed extensions of mappings
JO  - Colloquium Mathematicum
PY  - 1972
SP  - 73
EP  - 78
VL  - 25
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-25-1-73-78/
DO  - 10.4064/cm-25-1-73-78
LA  - en
ID  - 10_4064_cm_25_1_73_78
ER  -