APA

Balser W., . (2000). Formal power series and linear systems of meromorphic ordinary differential equations. New York, NY [u.a.]: Springer.

Chicago

Balser Werner, . 2000. Formal power series and linear systems of meromorphic ordinary differential equations. New York, NY [u.a.]: Springer.

Harvard

Balser W., . (2000). Formal power series and linear systems of meromorphic ordinary differential equations. New York, NY [u.a.]: Springer.

MLA

Balser Werner, . Formal power series and linear systems of meromorphic ordinary differential equations. New York, NY [u.a.]: Springer. 2000.