@article{DAN_1985_285_4_a22,
     author = {V. G. Petnikov and Yu. A. Kravtsov},
     title = {On partial determinacy of wave fields},
     journal = {Doklady Akademii Nauk},
     pages = {871--873},
     publisher = {mathdoc},
     volume = {285},
     number = {4},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_285_4_a22/}
}