@article{ZNSL_1972_25_a2,
     author = {A. S. Blagoveshchenskii and A. A. Buzdin},
     title = {Wave propagation in the string with rapidly varying parameters},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {15--51},
     publisher = {mathdoc},
     volume = {25},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1972_25_a2/}
}