Παραπομπή APA

Lang, J. (2011). Eigenvalues, embeddings and generalised trigonometric functions. Springer.

Παραπομπή Chicago Style

Lang, Jan. Eigenvalues, Embeddings and Generalised Trigonometric Functions. Heidelberg: Springer, 2011.

Παραπομπή MLA

Lang, Jan. Eigenvalues, Embeddings and Generalised Trigonometric Functions. Springer, 2011.