Search results for: D. A. Grafov
Mathematical Notes > 2016 > 99 > 1-2 > 196-209
Moscow University Mathematics Bulletin > 2015 > 70 > 1 > 24-32
Mathematical Notes > 2016 > 99 > 1-2 > 196-209
Moscow University Mathematics Bulletin > 2015 > 70 > 1 > 24-32