If you are looking for the famous 1890 short story by titled Gusev , it is in the public domain and widely available for free download in multiple formats (EPUB, PDF, etc.) from reputable cultural sites:

: Often provides a "Free Books" section where you can occasionally find older editions or promotional titles by various authors.

: Author of popular science, puzzles, and educational books such as Best Soviet Tasks in Physics, Mathematics, and Astronomy .

: A reliable source for digitized scientific and historical texts that may include academic works by authors named Gusev. Amazon.com: I. E. Gusev: Books

Depending on which "Gusev" you are looking for, here are the best places to find these works: 1. Anton Chekhov's " Gusev " (Short Story)

There are several contemporary Russian authors and specialists with the surname Gusev, particularly in medical, scientific, and educational fields: