Mistakes in geometric proofs/
Dubnov, Ya. S. 1887-1957.
Mistakes in geometric proofs/ Translated and adapted from the 2d Russian ed. (1955) by Alfred K. Henn and Olga A. Titelbaum. - Boston: Heath, [1963]. - 57 p.: illus., 21 cm. - Topics in mathematics .
61017840 /L/r84
Geometry---Problems, exercises, etc.
Fallacies (Logic)-
516 / D814m
Mistakes in geometric proofs/ Translated and adapted from the 2d Russian ed. (1955) by Alfred K. Henn and Olga A. Titelbaum. - Boston: Heath, [1963]. - 57 p.: illus., 21 cm. - Topics in mathematics .
61017840 /L/r84
Geometry---Problems, exercises, etc.
Fallacies (Logic)-
516 / D814m