TY  - JOUR
AU  - Henryk Brzeskwiniewicz
TI  - E-optimality of PBB designs with two associate classes
JO  - Mathematica Applicanda
PY  - 1989
SP  -  39
EP  - 46
VL  - 17
IS  - 31
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/ma.v17i31.1763/
DO  - 10.14708/ma.v17i31.1763
LA  - pl
ID  - 10_14708_ma_v17i31_1763
ER  -