@article{ZNSL_1990_186_a11,
     author = {N. Ya. Kirpichnikova},
     title = {On behavior of a nonstationary wave field with a singularity (the~homogeneous generalized function) on the initial front near the caustic},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {122--133},
     publisher = {mathdoc},
     volume = {186},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1990_186_a11/}
}