"ayres, frank . "
theory and problems of projective geometry: / frank.. ayres - 1 ed. - usa : schaum publishing 1967. - ", 243p.; 28 cm."
QA471 / .A97 1967
theory and problems of projective geometry: / frank.. ayres - 1 ed. - usa : schaum publishing 1967. - ", 243p.; 28 cm."
QA471 / .A97 1967