@article{EXMA_1992__1_1_229528, author = {Drake, David A. and Larson, Jean A.}, title = {The nonexistence of certain projective planes of order 15.}, journal = {Experimental mathematics}, pages = {65--69}, publisher = {mathdoc}, volume = {1}, number = {1}, year = {1992}, zbl = {0764.51007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EXMA_1992__1_1_229528/} }