@article{MZM_2021_110_4_a1,
     author = {T. A. Garmanova and I. A. Sheipak},
     title = {Orthogonality {Relations} for the {Primitives} of {Legendre} {Polynomials} and {Their} {Applications} to {Some} {Spectral} {Problems} for {Differential} {Operators}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {498--506},
     publisher = {mathdoc},
     volume = {110},
     number = {4},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2021_110_4_a1/}
}