@article{ZNSL_1987_165_a15,
     author = {A. S. Starkov},
     title = {Radiation of a normal wave in case of passing the critical section of a wave-guide of variable thickness},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {166--176},
     year = {1987},
     volume = {165},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1987_165_a15/}
}