共 50 条
- [42] ELEMENTARY PROOF OF KOLMOGOROVS THEOREM AMERICAN MATHEMATICAL MONTHLY, 1974, 81 (05): : 480 - 486
- [47] AN ELEMENTARY PROOF OF A THEOREM OF MACLANE MONATSHEFTE FUR MATHEMATIK, 1968, 72 (02): : 144 - +
- [50] ELEMENTARY PROOF OF FRIENDSHIP THEOREM NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1973, 20 (04): : A421 - A421