Datta, H. N.
Analytical conics / H. N. Datta. - Calcutta : Modfern Book Agency , 1931. - ix, 285 p. ; 17 cm.
Conic sections
513.21 / DAA
Analytical conics / H. N. Datta. - Calcutta : Modfern Book Agency , 1931. - ix, 285 p. ; 17 cm.
Conic sections
513.21 / DAA