Vol. 82 No. 1 (1991): Ann. Sofia Univ. Fac. Math and Inf.

Articles

• ON THE CORRECTNESS OF DIFFERENTIAL AND DIFFERENCE METHODS FOR ANALYSIS OF THE STABILITY OF CONTINUOUS RAILWAYS

  Atanas Smilijanow, Zvetan Mitrov

  5-12

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• COMPLETE SYSTEMS OF WEBER - HERMITE FUNCTIONS

  Peter Rusev

  13-24

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• ON THE MAXIMAL NUMBER OF EDGES IN A GRAPH

  Nikolay Khadzhiivanov

  25-34

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• ON THE MAXIMAL NUMBER OF TRIANGLES WITH A COMMON EDGE

  Nikolay Khadziivanov

  37-49

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• THE CREATION OF WEAK SIGULARITIES IN REFLECTING SEMILINEAR WAVES

  Mark Williams

  53-61

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• INTRODUCTION TO AN ALGEBRAIC THEORY OF ARROWS, II

  Ivan Chobanov

  63-117

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• ON THE COVERING RADIUS OF SOME BINARY CYCLIC CODES

  Evguenia Velikova

  119-125

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• INTRODUCTION TO AN ALGEBRAIC THEORY OF ARROWS, III

  IVAN CHOBANOV

  127-172

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• ON THE REDUCTION OF POLYADIC RECURSIVE PROGRAMS TO MONADIC ONES.

  Dimiter Skordev

  173-181

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