@article{IM2_2019_83_2_a10,
     author = {I. I. Sharapudinov},
     title = {Sobolev-orthogonal systems of functions and the {Cauchy} problem for {ODEs}},
     journal = {Izvestiya. Mathematics},
     pages = {391--412},
     year = {2019},
     volume = {83},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2019_83_2_a10/}
}