@article{VMUMM_1996_1_a7,
     author = {S. A. Shkarin},
     title = {On {Gelfand{\textendash}Dikij} method of calculation of first eigenvalues of {Sturm{\textendash}Liouville} operator},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {39--44},
     year = {1996},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1996_1_a7/}
}