@article{VKAM_2020_32_3_a8,
     author = {T. G. Ergashev and A. Hasanov},
     title = {Holmgren problem for elliptic equation with singular coefficients},
     journal = {Vestnik KRAUNC. Fiziko-matemati\v{c}eskie nauki},
     pages = {114--126},
     publisher = {mathdoc},
     volume = {32},
     number = {3},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VKAM_2020_32_3_a8/}
}