R. V. Ambartzumian

• Combinatorial integral geometry
• Factorization calculus and geometric probability
• Non-resonant feedback in lasers
• Stochastic and Integral Geometry
• Factorization Calculus
• Kombinatornye print︠s︡ipy v stokhasticheskoĭ geometrii
• Stochastic and integral geometry
• Stochastic geometry, geometric statistics, stereology
• Vvedenie v stokhasticheskui͡u︡ geometrii͡u︡