Cita APA (7th ed.)

Wittmaack, M. F. (1999). Existence of multiple ordered solutions for a similinear elliptic boundary value problem. Universidad de La Serena.

Cita Chicago (17th ed.)

Wittmaack, Melitta Fiebig. Existence of Multiple Ordered Solutions for a Similinear Elliptic Boundary Value Problem. La Serena: Universidad de La Serena, 1999.

Cita MLA (9th ed.)

Wittmaack, Melitta Fiebig. Existence of Multiple Ordered Solutions for a Similinear Elliptic Boundary Value Problem. Universidad de La Serena, 1999.