@article{DAN_1980_252_4_a18,
     author = {B. S. \`Enenstein and A. G. Tarkhnishvili},
     title = {On the parameterless interpretation of frequency probing curves},
     journal = {Doklady Akademii Nauk},
     pages = {841--844},
     publisher = {mathdoc},
     volume = {252},
     number = {4},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_252_4_a18/}
}