Hartley, Elizabeth Mary.
Cartesian geometry of the plane. - Cambridge [Eng.] University Press, 1960. - xi, 324 p. illus. 23 cm.
60003486
Coordinates.
Geometry, Analytic--Plane.
QA556 / .H35
516 / HAC
Cartesian geometry of the plane. - Cambridge [Eng.] University Press, 1960. - xi, 324 p. illus. 23 cm.
60003486
Coordinates.
Geometry, Analytic--Plane.
QA556 / .H35
516 / HAC