@article{RCM_1988__22_1-4_181810,
     author = {Jairo A. Charris and Luis A. Gomez},
     title = {Functional {Analysis,} {Orthogonal} {Polynomials} {And} {A} {Theorem} {Of} {Markov.}},
     journal = {Revista colombiana de matematicas},
     pages = {77--128},
     publisher = {mathdoc},
     volume = {22},
     number = {1-4},
     year = {1988},
     zbl = {0685.47022},
     url = {http://geodesic.mathdoc.fr/item/RCM_1988__22_1-4_181810/}
}