@article{RACSAM_2001_2001_1_a13,
     author = {Fonf, Vladimir P. and Plichko, Anatolij M. and Shevchik, V. V.},
     title = {Una aproximaci\'on a problemas de sucesiones ortogonales por an\'alisis funcional.},
     journal = {Revista de la Real Academia de Ciencias Exactas, F{\'\i}sicas y Naturales. Matem\'aticas},
     pages = {181-189},
     publisher = {mathdoc},
     volume = {95},
     number = {2},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RACSAM_2001_2001_1_a13/}
}