Conceptual models in mathematics : sets, logic and probability
by K. E. Hirst, F. Rhodes.
London : Allen and Unwin, 1971.
182 págs. : ilustraciones ; 23 cm.
Serie: Mathematical studies ; no. 5
ISBN: 0045100349, 0045100357 (pbk.)
Reseña: MathSciNet, 50 #12497