: Hosts downloadable files (often in DJVU or PDF format) that contain scanned versions of manually solved problems from the collection. Content of the Problem Book
: Offers a comprehensive database of solutions organized by paragraph and problem number. You can find detailed explanations for tasks ranging from basic first-order equations to complex systems. : Hosts downloadable files (often in DJVU or
The GDZ (Готовые домашние задания - Prepared Homework Solutions) for Aleksei Fedorovich Filippov's book, (Collection of Problems on Differential Equations), is a widely used resource for students in technical universities and mathematics departments. Online Solutions and Resources (Collection of Problems on Differential Equations)
The collection is known for its rigor and covers essential topics in differential equations, including: such as isoclines
: Provides a similar catalog where solutions are grouped by topic, such as isoclines, separable variables, and homogeneous equations.