"Nombres réels." . . "Théorie des nombres." . . "Números complejos." . . "Zahlentheorie" . . "Zahlentheorie." . "Numbers, Complex." . . "Numbers, Complex" . . . "Komplexe Zahl" . . "Komplexe Zahl." . "Números, Teoría de." . . "MATHEMATICS / Number Systems" . . "ebrary, Inc." . . "Numbers, Real." . . "Numbers, Real" . "Nombres complexes." . . "Números reales." . . "Nombres, Théorie des." . . "Number theory." . . "Number theory" . "Reelle Zahl" . . "Reelle Zahl." . "Zahlensystem." . . . . . . . . . . . . . . . . . . . . . "Which numbers are real ?" . . . "Which Numbers Are Real?" . . "What numbers are real?" . "What numbers are real?"@en . . . . . . "Livres électroniques" . . . . . . . . . "Electronic books" . "Which Numbers are Real?"@en . . . . . . "Which numbers are real?"@en . "Which numbers are real?" . .