@article{00130447, title = {Prolongations of }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {16}, year = {1993}, pages = {201-204}, doi = {10.1155/S0161171293000249}, zbl = {0772.53019}, language = {en}, url = {http://dml.mathdoc.fr/item/00130447} }
Das, Lovejoy S. Prolongations of . International Journal of Mathematics and Mathematical Sciences, Tome 16 (1993) pp. 201-204. doi : 10.1155/S0161171293000249. http://gdmltest.u-ga.fr/item/00130447/