SPbPU Journal - Physics and Mathematics
St. Petersburg Polytechnic University Journal - Physics and Mathematics Peter the Great St. Petersburg Polytechnic University
Since 2008
ISSN 2304-9782
ISSN 2618-8686
ISSN 2405-7223
en Английский
Version for the visually impaired
Submit Your Paper

Articles by keywords "closure%20of%20set"