@article{KUKZ_1990_25_25_a2,
     author = {L. A. Aksent'ev and A. V. Kazantsev},
     title = {A new property of the {Nehari} class and its application},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {33--51},
     publisher = {mathdoc},
     volume = {25},
     number = {25},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1990_25_25_a2/}
}