TY  - JOUR
AU  - Cléroux, Robert
TI  - On the Evaluation of Some Expressions Concerning the PBIB Designs
JO  - Canadian mathematical bulletin
PY  - 1968
SP  - 107
EP  - 114
VL  - 11
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1968-014-6/
DO  - 10.4153/CMB-1968-014-6
ID  - 10_4153_CMB_1968_014_6
ER  -