@article{GDZPPN002217937, title = {Double Resolvability of Some Complete 3-Designs.}, journal = {Manuscripta mathematica}, volume = {12}, year = {1974}, pages = {105-112}, zbl = {0276.05022}, url = {http://dml.mathdoc.fr/item/GDZPPN002217937} }
Denniston, Ralph Hugh Francis. Double Resolvability of Some Complete 3-Designs.. Manuscripta mathematica, Tome 12 (1974) pp. 105-112. http://gdmltest.u-ga.fr/item/GDZPPN002217937/