1. On the cones of tangents with applications to mathematical programming

   • M. S. Bazaraa
   • J. J. Goode
   • M. Z. Nashed

   Contributed Papers Pages: 389 - 426

2. A differential game model of labor-management negotiation during a strike

   • G. Leitmann
   • P. T. Liu

   Contributed Papers Pages: 427 - 435

3. Application of duality theory to a class of composite cost control problems

   • R. B. Vinter

   Contributed Papers Pages: 436 - 460

4. Approximate solution of a class of singular control problems

   • R. B. Vinter

   Contributed Papers Pages: 461 - 483

5. A note on duality gaps in linear programming over convex sets

   • A. L. Soyster

   Technical Note Pages: 484 - 489

6. A dual extremum principle for a population equation

   • W. L. Chan
   • G. G. Leininger

   Technical Note Pages: 490 - 492

7. Book notices

   Announcement Pages: 493 - 495