@article{03937239, title = {On k-triad sequences.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {8}, year = {1985}, pages = {799-804}, doi = {10.1155/S0161171285000886}, zbl = {0585.10006}, language = {en}, url = {http://dml.mathdoc.fr/item/03937239} }
Gupta, Hansraj; Singh, K. On k-triad sequences.. International Journal of Mathematics and Mathematical Sciences, Tome 8 (1985) pp. 799-804. doi : 10.1155/S0161171285000886. http://gdmltest.u-ga.fr/item/03937239/