@article{GDZPPN002464276, title = {Characterizations and Analysis of Block Designs - A. K. Nigam, P. D. Puri, V. K. Gupta.}, journal = {Metrika}, volume = {38}, year = {1991}, pages = {61-62}, url = {http://dml.mathdoc.fr/item/GDZPPN002464276} }
Kageyama, S. Characterizations and Analysis of Block Designs - A. K. Nigam, P. D. Puri, V. K. Gupta.. Metrika, Tome 38 (1991) pp. 61-62. http://gdmltest.u-ga.fr/item/GDZPPN002464276/