@article{CMFD_2016_59_a5,
     author = {B. V. Loginov and Yu. B. Rousak and L. R. Kim-Tyan},
     title = {Differential equations with degenerate, depending on the unknown function operator at the derivative},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {119--147},
     publisher = {mathdoc},
     volume = {59},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2016_59_a5/}
}