एपीए उद्धरण

Rousseau, C. Hilbert's 16-th problem for quadratic vector fields and cyclicity of graphics.

शिकागो स्टाइल उद्धरण

Rousseau, Christiane. Hilbert's 16-th Problem for Quadratic Vector Fields and Cyclicity of Graphics.

एमएलए उद्धरण

Rousseau, Christiane. Hilbert's 16-th Problem for Quadratic Vector Fields and Cyclicity of Graphics.