Rev. Anal. Numer. Theor. Approx.

Volume 20, Numbers 1-2, 1991

Contents

• Elena Popoviciu,
  In memorian, pp. 3-9.
  
  
• H\"{u}seyin Bor,
  On the Absolute Ces\`{a}ro Summability Factors, pp. 11-14.
  
  
• Michele Campiti,
  Approximation of Continuous Set-Valued Fnctions in Fr\'{e}chet spaces I, pp. 15-23.
  
  
• Michele Campiti,
  Approximation of Continuous Set-Valued Fnctions in Fr\'{e}chet spaces II, pp. 25-38.
  
  
• Sever S. Dragomir and Nicoleta M. Ionescu,
  A New Refinement of Jensen's Inequality, pp. 39-41.
  
  
• Mircea Ivan,
  Sur une suite d'op\'{e}rateurs d'interpolation et d'approximation dans un espace de Hilbert, pp. 43-46.
  
  
• D. Kumar, G. S. Srivastava and H. S. Kasana,
  Approximation of Entire Harmonic functions in $R^{3}$ having Index-Pair $\left( p,q\right) $, pp. 47-57.
  
  
• D\u{a}nu\c{t} Marcu,
  On Finding the elementary Paths and Circuits of a Digraph, pp. 59-63.
  
  
• Ion Purcaru,
  Note sur la fid\'{e}lit\'{e} entropique d'un canal de communications, pp. 65-67.
  
  
• Ion Purcaru,
  Note sur l'entropique d'un distribution continue, pp. 69-75.
  
  
• M. Ali Sarig\"{o}l,
  On Absolute Summability Factors, pp. 77-81.
  
  
• P. A. Sarma, Families of Third,
  Fourth \& Fifth Order Extended Nystr\"{o}m Methods for $y^{\prime\prime\prime}=f\left( x,y\right) $, pp. 83-95.
  
  
• Gh. Toader,
  Some Remarks on Means, pp. 97-109.
  
  
• \c{S}tefan \c{T}igan,
  On Duality for Generalized Pseudomonotonic Programming, pp. 111-116.
  
  
• \c{S}tefan \c{T}igan and I. M. Stancu-Minasian,
  On a Bicriterion max-min Fractional Problem, pp. 117-125.