Perlick, V. Fermats principle, Morse theory and applications to the gravitational lens effect.
Trích dẫn kiểu ChicagoPerlick, Volker. Fermats Principle, Morse Theory and Applications to the Gravitational Lens Effect.
MLA citiranjePerlick, Volker. Fermats Principle, Morse Theory and Applications to the Gravitational Lens Effect.
Opozorilo: Ti citati niso vedno 100% točni.