grigori perelman
əjdahalar googllasoul - qriqori perelman - fields medalı - shing tung-yau - puankare hipotezi - arxiv.org - international mathematical olympiad - steklov institutu - ümumi puankare hipotezi
(bax: shing tung-yau)
(bax: ricci flow)
(baxma: poincare hypothesis)
(baxma: richard hamilton)
üzv ol