@article{ZNSL_1986_156_a4,
     author = {N. S. Grigor'eva},
     title = {The sound field generated by a~point monochromatic source in the stratified ocean perturbed by a~current},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {49--60},
     year = {1986},
     volume = {156},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1986_156_a4/}
}