Verhulst, F.
Nonlinear differential equations and dynamical systems. 2nd. Revised and Expanded Edition. - Berlin Springer 1996 - x, 303p. - Universitext .
978-3-540-60934-6
Nonlinear differential equations and dynamical systems. 2nd. Revised and Expanded Edition. - Berlin Springer 1996 - x, 303p. - Universitext .
978-3-540-60934-6