@article{ZNSL_1984_140_a15,
     author = {N. A. Razumovskii},
     title = {Excitation of normal modes of a~weakly inhomogeneous waveguide by a~point source},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {174--178},
     publisher = {mathdoc},
     volume = {140},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1984_140_a15/}
}