1. On Certain Analytically Solvable Problems of Mean Field Games Theory

   • S. I. Nikulin
   • O. S. Rozanova

   OriginalPaper 22 March 2021 Pages: 139 - 148

   

2. Isoenergetic Manifolds of Integrable Billiard Books

   • I. S. Kharcheva

   OriginalPaper 22 March 2021 Pages: 149 - 160

   

3. Realization of the Numerical Invariant of the Seifert Fibration of Integrable Systems by Billiards

   • V. V. Vedyushkina
   • V. A. Kibkalo

   OriginalPaper 22 March 2021 Pages: 161 - 168

   

4. On Irreduceability of Boolean Functions with Respect to Commutative Associative Operation

   • G. V. Safonov
   • G. V. Bokov
   • V. B. Kudryavtsev

   OriginalPaper 22 March 2021 Pages: 169 - 171

5. Spectrum of One-Dimensional Natural Vibrations of Layered Medium Consisting of Elastic Material and Viscous Incompressible Fluid

   • A. S. Shamaev
   • V. V. Shumilova

   OriginalPaper 22 March 2021 Pages: 172 - 176

6. Ruin Probability in Models with Stochastic Premiums

   • A. A. Muromskaya

   OriginalPaper 22 March 2021 Pages: 177 - 180