@article{ZNSL_2002_285_a8,
     author = {Yu. A. Lavrov},
     title = {On frequencies of free acoustic oscillations in fluid dividing rigid and elastic cylindrical walls of finite length},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {117--123},
     publisher = {mathdoc},
     volume = {285},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2002_285_a8/}
}