@article{PA_2020_9_2_a6,
     author = {M. S. Sultanakhmedov},
     title = {Recurrence relations for {Sobolev} orthogonal polynomials},
     journal = {Problemy analiza},
     pages = {97--118},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PA_2020_9_2_a6/}
}