@article{VMJ_2021_23_1_a4,
     author = {I. V. Rakhmelevich},
     title = {On  multiplicative multi-dimensional  partial  differential  equations},
     journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal},
     pages = {43--59},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMJ_2021_23_1_a4/}
}