Thực đơn
Lev_PontryaginThực đơn
Lev_PontryaginLiên quan
Lev Pontryagin Lev Davidovich Trotsky Lev Nikolayevich Tolstoy Lev Vygotsky Lev Ivanovich Yashin Lev Zakharovich Mekhlis Lev Davidovich Landau Lev Mikhailovich Dovator Lev Schnirelmann Levi P. MortonTài liệu tham khảo
WikiPedia: Lev_Pontryagin http://books.google.com/books?id=1DrQvgK5q9cC&pg=P... http://www.genealogy.ams.org/html/id.phtml?id=4907... http://ega-math.narod.ru/LSP/book.htm http://www-history.mcs.st-andrews.ac.uk/Biographie... http://www-history.mcs.st-andrews.ac.uk/Biographie...