Ordinary Differential Equations in the Complex Domain - Einar Hille - Google Books

http://books.google.de/books?id=I1OR4t8UZCgC&pg=PA108&lpg=PA108&dq=Eduard+Weyr&source=bl&ots=aX8K_W4zwy&sig=qjbCvkGbax6MRR4AlDx4

Graduate-level text offers full and extensive treatments of existence theorems, representation of solutions by series, representation by integrals, theory of majorants, dominants and minorants, questions of growth, much more. Relevant review material on…