@article{IVM_2017_2_a1,
     author = {B. E. Kanguzhin and D. Dauitbek},
     title = {A maximum of the first eigenvalue of semibounded differential operator with a parameter},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {14--21},
     publisher = {mathdoc},
     number = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2017_2_a1/}
}