Martini, R. (1980). Geometrical approaches to differential equations: Proceedings of the Fourth Scheveningen Conference on Differential Equations, The Netherlands, August 26-31, 1979. Berlin: Springer-Verlag.
Παραπομπή Chicago StyleMartini, R. Geometrical Approaches to Differential Equations: Proceedings of the Fourth Scheveningen Conference On Differential Equations, The Netherlands, August 26-31, 1979. Berlin: Springer-Verlag, 1980.
Παραπομπή MLAMartini, R. Geometrical Approaches to Differential Equations: Proceedings of the Fourth Scheveningen Conference On Differential Equations, The Netherlands, August 26-31, 1979. Berlin: Springer-Verlag, 1980.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.