@article{UFA_2022_14_1_a5,
     author = {B. N. Biyarov and Z. A. Zakariyeva and G. K. Abdrasheva},
     title = {Non self-adjoint well-defined restrictions  and extensions with real spectrum},
     journal = {Ufa mathematical journal},
     pages = {87--94},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2022_14_1_a5/}
}