@article{IVM_2000_9_a8,
     author = {A. Yu. Trynin},
     title = {On the absence of stability of interpolation in eigenfunctions of the {Sturm--Liouville} problem},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {60--73},
     publisher = {mathdoc},
     number = {9},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2000_9_a8/}
}