एपीए उद्धरण

Sekiguchi, J. Configurations of seven lines on the real projective plane and the root system of type E7.

शिकागो स्टाइल उद्धरण

Sekiguchi, Jiro. Configurations of Seven Lines On the Real Projective Plane and the Root System of Type E7.

एमएलए उद्धरण

Sekiguchi, Jiro. Configurations of Seven Lines On the Real Projective Plane and the Root System of Type E7.