@article{UFA_2020_12_2_a3,
     author = {O. E. Mirzaev and A. B. Khasanov},
     title = {On families of isospectral {Sturm{\textendash}Liouville} boundary value problems},
     journal = {Ufa mathematical journal},
     pages = {28--34},
     year = {2020},
     volume = {12},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2020_12_2_a3/}
}