TY  - JOUR
AU  - Priddis, M. J. M.
TI  - An Inequality Between Numerical Homotopy Invariants
JO  - Canadian journal of mathematics
PY  - 1968
SP  - 1295
EP  - 1299
VL  - 20
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-127-7/
DO  - 10.4153/CJM-1968-127-7
ID  - 10_4153_CJM_1968_127_7
ER  -