HALMOS, P. (1991). Problems for mathematicians, young and old. Washington, EE.UU: THE MATHEMATICAL ASSOCIATION OF AMERICA.
Citación estilo ChicagoHALMOS, Paul. Problems for Mathematicians, Young and Old. Washington, EE.UU: THE MATHEMATICAL ASSOCIATION OF AMERICA, 1991.
Cita MLAHALMOS, Paul. Problems for Mathematicians, Young and Old. Washington, EE.UU: THE MATHEMATICAL ASSOCIATION OF AMERICA, 1991.
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