@article{DE_1989_25_4_a4,
     author = {M. G. Gasymov and G. Sh. Guseinov},
     title = {Some uniqueness theorems in inverse problems of spectral analysis for {Sturm--Liouville} operators in the case of the {Weyl} limit circle},
     journal = {Differencialʹnye uravneni\^a},
     pages = {588--599},
     publisher = {mathdoc},
     volume = {25},
     number = {4},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_4_a4/}
}