Krasnoselskii, M. A. (1966). Plane vector fields. Academic Press.
Cita Chicago (17th ed.)Krasnoselskii, M. A. Plane Vector Fields. New York: Academic Press, 1966.
Cita MLA (8th ed.)Krasnoselskii, M. A. Plane Vector Fields. Academic Press, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.