@article{ZNSL_2019_483_a7,
     author = {M. A. Lyalinov},
     title = {A comment on eigenvalues and eigenfunctions of {Laplace} operator in an angle with {Robin} boundary conditions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {116--127},
     publisher = {mathdoc},
     volume = {483},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2019_483_a7/}
}