1. On the Inner Structure of Virialized Clusters

   • A. Del Popolo
   • Xiguo Lee

   OriginalPaper 17 April 2019 Pages: 249 - 262

2. Strong Shock in a Uniform Expanding Universe. Approximate and Exact Solutions of Self-Similar Equations

   • G. S. Bisnovatyi-Kogan
   • S. A. Panafidina

   OriginalPaper 17 April 2019 Pages: 263 - 273

3. The Chemical Composition of Globular Clusters of Different Nature in Our Galaxy

   • V. A. Marsakov
   • V. V. Koval’
   • M. L. Gozha

   OriginalPaper 17 April 2019 Pages: 274 - 288

4. A Star of Vacuum-like Matter

   • I. D. Novikov
   • D. I. Novikov

   OriginalPaper 17 April 2019 Pages: 289 - 292

5. The Concept of a Multi-Functional Astronomy Complex and Dynamically Integrated Database Applied to Multi-Channel Observations with the MASTER Global Network

   • V. M. Lipunov
   • V. V. Vladimirov
   • V. A. Senik

   OriginalPaper 17 April 2019 Pages: 293 - 309

6. A 12-Year Periodicity in the Pulse Arrival Times for the Pulsar PSR B0943+10

   • E. D. Starovoit
   • S. A. Suleymanova

   OriginalPaper 17 April 2019 Pages: 310 - 315

7. Variability of the Blazar J1504+1029 on Timescales from Hours to Years

   • V. K. Konnikova
   • M. A. Kharinov
   • M. G. Mingaliev

   OriginalPaper 17 April 2019 Pages: 316 - 342

8. Catalog of Supermassive Black Holes for Interferometric Observations

   • E. V. Mikheeva
   • V. N. Lukash
   • A. M. Malinovskii

   OriginalPaper 17 April 2019 Pages: 343 - 352