@article{VUU_2021_31_4_a8,
     author = {B. Kh. Turmetov and V. V. Karachik},
     title = {On solvability of the {Dirichlet} and {Neumann} boundary value problems for the {Poisson} equation with multiple involution},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {651--667},
     publisher = {mathdoc},
     volume = {31},
     number = {4},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2021_31_4_a8/}
}