TY  - JOUR
TI  - The Pn -Integral
JO  - Canadian mathematical bulletin
PY  - 1975
SP  - 493
EP  - 497
VL  - 18
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-090-6/
DO  - 10.4153/CMB-1975-090-6
ID  - 10_4153_CMB_1975_090_6
ER  -