@article{RM_2000_55_4_a5,
     author = {G. A. Aigunov},
     title = {The boundedness of the orthonormal eigenfunctions of a~certain class of non-linear {Sturm--Liouville} type operators with a~weight function of unbounded variation on a~finite interval},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {815--816},
     publisher = {mathdoc},
     volume = {55},
     number = {4},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2000_55_4_a5/}
}