00370nam a2200109Ia 4500008004100000040003800041100002000079245008200099260004100181300002200222653001600244211217s9999 xx 000 0 und d cJayakar Knowledge Resource Centre aGardner, Martin 0aFurther mathematical diversions: paradox of the unexpected hanging and others bGeorge Allen and UnvinaLondonc1970 axiv,1089-1382p p. aMathematics