Riddles in mathematics
Northrop, Eugene P.
Riddles in mathematics a book of paradoxes Eugene P. Northrop. - New York D. Van Nostrand company, inc. 1944. - viii, 262 p. illus., diagrs.
"Notes and references": p. [245]-254.
44003524 //r86
Mathematical recreations.
QA95 / .N6
510.76
Riddles in mathematics a book of paradoxes Eugene P. Northrop. - New York D. Van Nostrand company, inc. 1944. - viii, 262 p. illus., diagrs.
"Notes and references": p. [245]-254.
44003524 //r86
Mathematical recreations.
QA95 / .N6
510.76