@article{02097222, title = {Weighted derivative and differential equations.}, journal = {Vladikavkazski\u\i\ Matematicheski\u\i\ Zhurnal}, volume = {1}, year = {1999}, pages = {7-19}, zbl = {1055.26001}, language = {en}, url = {http://dml.mathdoc.fr/item/02097222} }
Bichegkuev, M.S. Weighted derivative and differential equations.. Vladikavkazskiĭ Matematicheskiĭ Zhurnal, Tome 1 (1999) pp. 7-19. http://gdmltest.u-ga.fr/item/02097222/