@article{VMJ_2003_5_4_a3,
     author = {M. S. Bichegkuev},
     title = {A weighted derivative and differential equations},
     journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal},
     pages = {32--42},
     year = {2003},
     volume = {5},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMJ_2003_5_4_a3/}
}