@article{1102867097, author = {Hwang, F. K. and Lin, S.}, title = {Construction of $2$-balanced $(n,k,\lambda)$ arrays.}, journal = {Pacific J. Math.}, volume = {67}, number = {2}, year = {1976}, pages = { 437-453}, language = {en}, url = {http://dml.mathdoc.fr/item/1102867097} }
Hwang, F. K.; Lin, S. Construction of $2$-balanced $(n,k,\lambda)$ arrays.. Pacific J. Math., Tome 67 (1976) no. 2, pp. 437-453. http://gdmltest.u-ga.fr/item/1102867097/