Vol. 18 No. 1 (1989)

Articles

• Approximation by positive operators in the space \(C^{(p)}([a,b])\)

  Francesco Altomare, Ioan Raşa

  1-11

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  • Abstract views: 203

• Some extensions of the abstract Dini convergence theorem

  Valeriu Anisiu

  13-17

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  • Abstract views: 144

• On quadratic equations

  Ioannis K. Argyros

  19-26

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  • Abstract views: 191

• On the secant method and nondiscrete mathematical induction

  Ioannis K. Argyros

  27-36

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  • Abstract views: 175

• Sul riferimento intrinseco di una trasformazione puntuale tra due spazi euclidei On the intrinsic reference of a pointwise transformation between two Euclidean spaces

  Lando Degoli

  37-49

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  • Abstract views: 178

• Local representation of distance functional on smooth normed linear spaces

  Sever Silvestru Dragomir

  51-59

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  • Abstract views: 136

• Refinements of some inequalities for isotonic functionals

  Sever S. Dragomir, Josip E. Pečarić

  61-65

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  • Abstract views: 186

• Approximation of bounded non-negative functions by polynomials with positive coefficients in the Hausdorff metric

  V. At. Kostova

  67-72

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  • Abstract views: 156

• Note on the cut vertices in a regular graph

  Dănuţ Marcu

  73-76

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  • Abstract views: 152

• On finding the domination number of a graph

  Dănuţ Marcu

  77-79

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  • Abstract views: 172

• Generalization of the theorem of A.O. Guelfand on approximation by polynomials with integral coefficients

  Francisco Luquin Martinez

  81-88

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  • Abstract views: 158

• On the arithmetical function \(d_k(n)\)

  J. Sándor

  89-94

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  • Abstract views: 200

• Generalization of the newtonian mechanics' fundamental law

  Constantin Tudosie

  95-100

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  • Abstract views: 149