1. Asymptotic behavior of the spectrum of differential equations

   • M. Sh. Birman
   • M. Z. Solomyak

   OriginalPaper Pages: 247 - 283

2. Questions in the theory of the extension of unbounded operators in rigged Hilbert spaces

   • É. R. Tsekanovskii
   • Yu. L. Shmul'yan

   OriginalPaper Pages: 283 - 310

3. Computational and approximate methods of optimal control

   • F. L. Chernous'ko
   • V. B. Kolmanovskii

   OriginalPaper Pages: 310 - 353

4. The Kalman-Bucy method of optimal filtering and its generalizations

   • M. B. Prokhorov
   • V. K. Saul'ev

   OriginalPaper Pages: 354 - 380