@article{IVM_2024_7_a4,
     author = {M. Yu. Vatolkin},
     title = {Investigation of the dimension of the spectral projection of a self-adjoint second order quasidifferential operator},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {47--62},
     year = {2024},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2024_7_a4/}
}