共 50 条
- [43] AN ELEMENTARY PROOF OF A THEOREM IN CALCULUS AMERICAN MATHEMATICAL MONTHLY, 1985, 92 (08): : 589 - 590
- [44] AN ELEMENTARY PROOF OF A THEOREM OF ERDOS NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1970, 17 (07): : 1068 - &
- [45] ELEMENTARY PROOF OF FRIENDSHIP THEOREM NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1973, 20 (04): : A421 - A421
- [49] AN ELEMENTARY PROOF OF A THEOREM ON UNILATERAL DERIVATIVES CANADIAN MATHEMATICAL BULLETIN-BULLETIN CANADIEN DE MATHEMATIQUES, 1986, 29 (03): : 341 - 343