Kata Kunci Pencarian:
- Daftar masalah matematika yang belum terpecahkan
- Lusternik–Schnirelmann theorem
- Lev Schnirelmann
- Theorem of the three geodesics
- Brouwer fixed-point theorem
- Borsuk–Ulam theorem
- Sperner's lemma
- Lazar Lyusternik
- Knaster–Kuratowski–Mazurkiewicz lemma
- Eilenberg–Ganea theorem
- List of Russian mathematicians
