@article{DE_2003_39_12_a15,
     author = {Yu. Knezhevich-Milyanovich},
     title = {An {Estimate} of the {First} {Eigenvalue} in a {Many-Point} {Boundary} {Value} {Problem}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1708--1711},
     publisher = {mathdoc},
     volume = {39},
     number = {12},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2003_39_12_a15/}
}