Pingguang, Zhang On the Distribution and Number of Limit Cycles for Quadratic Systems with Two Foci 2002 - Edicions de la Universitat de Lleida Fa parte di Qualitative Theory of Dynamical Systems : 3, 2, 2002 Opzioni d'uso Download Copia/incolla Stampa Download | NO Copia/incolla | NO Stampa EUR 6,00 Iva esclusa Acquista PDF a Articolo
