1. Check character systems

   • A. Ecker
   • G. Poch

   Contributed Papers Pages: 277 - 301

2. Using time stamps for storing and addressing extendible arrays

   • A. Novacek

   Contributed Papers Pages: 303 - 313

3. Efficient classes of Runge-Kutta methods for two-point boundary value problems

   • W. H. Enright
   • P. H. Muir

   Contributed Papers Pages: 315 - 334

4. Splitting methods for fourth order parabolic partial differential equations

   • E. J. W. ter Maten

   Contributed Papers Pages: 335 - 350

5. Solution of the matrix equation AX−XB=C

   • Lu Tongxing

   Short Communications Pages: 351 - 355

6. Approximation of double integrals of analytic functions of two complex variables

   • B. P. Acharya
   • T. Mohapatra

   Short Communications Pages: 357 - 364

7. An appraisal of the performance of the MMSC subgraph generation algorithm on a Cyber System 170/720

   • S. R. Das
   • S. Y. Lee

   Short Communications Pages: 365 - 370

8. Clusterwise linear least absolute deviations regression

   • H. Späth

   Algorithm Pages: 371 - 377