Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
6 ta ish
Ish: Topological properties of the Minkowski operations
Lev S. Pontrjagin
Mashrabjon Mamatov, Jalolxon Nuritdinov
Jalolkhon Nuritdinov, Sh. S. Kakharov, Arvind Dagur
G. E. Ivanov