APA
Heinrich B., . (1987). Finite difference methods on irregular networks: A Generalized approach to second order elliptic problems. Berlin: Akademie Verlag.
Chicago
Heinrich Bernd, . 1987. Finite difference methods on irregular networks: A Generalized approach to second order elliptic problems. Berlin: Akademie Verlag.
Harvard
Heinrich B., . (1987). Finite difference methods on irregular networks: A Generalized approach to second order elliptic problems. Berlin: Akademie Verlag.
MLA
Heinrich Bernd, . Finite difference methods on irregular networks: A Generalized approach to second order elliptic problems. Berlin: Akademie Verlag. 1987.