Conic sections.

Conics / by: (Language materials, printed)

The universe of conics = from the ancient Greeks to 21st century developments / by: (Electronic resources)

Oblique derivative problems for elliptic equations in conical domains by: (Electronic resources)

Conic sections.

Ellipse.

Derivatives (Mathematics)

Conics, Spherical.

Applications of Mathematics.

Differential Equations.

Differential equations, Elliptic.

Mathematics.

Parabola.

Coordinates, Oblique.

Geometry.