@article{IIGUM_2012_5_2_a7,
     author = {A. E. Atkin and G. P. Atkina},
     title = {Calculation of the regularized trace for the {Sturm{\textendash}Liouville} problem with spectral parameter in the boundary conditions},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {81--89},
     year = {2012},
     volume = {5},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2012_5_2_a7/}
}