Beginning with Russian volume 74 this series is a cover-to-cover English translation of the proceedings of the Steklov Institute of Mathematics in the Russian Academy of Sciences. The original Russian publication date appears in parentheses after the translation’s title. Each volume contains either one book-length article or a collection of articles on one topic, covering subjects in the forefront of contemporary mathematical research. Since 1978 the series has also been sold as a journal subscription. No further volumes will be published in this series, but back volumes are available. (ISSN 0081-5438) Softcover.