Author: Arkhangelʹskai͡a oblastnai͡a nauchnai͡a konferent͡sii͡a, posvi͡ashchennoĭ 90-letii͡u peterburgskogo "Soi͡uza borʹby (5-7 i͡uni͡a 1985 Arkhangelʹsk, Russia)