If you're looking for a comprehensive collection of Asimov's works, you might consider purchasing a bundle or a collection of his books from a digital bookstore or online retailer.
I see you're looking for a comprehensive guide on downloading all the books by Isaac Asimov, a renowned science fiction author, in Russian ("Zheliazny" seems to be a misspelling of "Zheleznый", which means "iron" in Russian, but I'm assuming you meant Asimov).