Unsolved Problems in Group Theory. The Kourovka Notebook. No. 19. SEE NEWER FILES IN OCTOBER UPDATE
This 19th issue contains 111 new problems and a number of comments on about 1000 problems from the previous issues. The section “Archive of Solved Problems” includes all the solved problems from the previous issues that have already been commented on in previous issues, while new solutions are found among unsolved problems in the corresponding sections.