Depending on which "Gusev" you are looking for, here are the best places to find these works: 1. Anton Chekhov's " Gusev " (Short Story)
: A reliable source for digitized scientific and historical texts that may include academic works by authors named Gusev. Amazon.com: I. E. Gusev: Books skachat knigi guseva besplatno
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: Depending on which "Gusev" you are looking for,
: Offers the story as part of Chekhov collections in various languages. : You can read and download Gusev on Kultura
: Offers a subscription model but includes a selection of titles that can be read for free.
: You can read and download Gusev on Kultura.rf for free without registration.