@article{INTO_2021_193_a6,
     author = {A. A. Golubkov},
     title = {Spectrum of the {Sturm--Liouville} operator on a curve with parameters in the boundary conditions and discontinuity conditions for solutions},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {45--68},
     publisher = {mathdoc},
     volume = {193},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_2021_193_a6/}
}