"Approximationstheorie." . . "Polinomi ortogonali." . . "Teoria de l'aproximació" . . "Funcions." . . "Funcions" . "Chebichev, Aproximacions de." . . "Funciones (Matemáticas)" . . "Polinomios." . . "Wiskundige analyse." . . "Functions." . . "Tchebychev, Approximation de." . . "Approximációelmélet Csebisev polinom." . . "Fonctions (mathématiques)." . . "Fonctions (Mathématiques)" . "Fonctions (mathématiques)" . "Chebyshev approximation." . . "Chebyshev, Polynômes." . . "Chebyshev, Polynomes." . . . . "Metod funkcionalov i ego prilozenija" . . . . . "Endliche Funktional" . . . . . . . . . . . . . . . . . . . . . . . . . "The functional method and its applications" . . . . . . "The Functional method and its applications" . . . . . "Čebyšev-Approximation." . . "Funzioni - Approssimazione." . . "Extremalpolynom." . . "Függvények." . . . .