TY  - JOUR
AU  - Osvaldo Marrero
TI  - A Conjecture Concerning The Existence Of Certain Combinatorial Designs.
JO  - Revista colombiana de matematicas
PY  - 1980
SP  - 95
EP  - 100
VL  - 14
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RCM_1980__14_181695/
ID  - RCM_1980__14_181695
ER  -