В. И. Жданов

2 ta ish

Taras Shevchenko National University of Kyiv

1. Spherically symmetric configurations in the quadratic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>f</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mi>R</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:math> gravity

   В. И. Жданов, O. S. Stashko, Yuri Shtanov

   MaqolaOAOchiq kirish20242 iqtibos

   ABIABI:AkademIndex/2026.other.099681

2. Asymptotic expansions and amplification of a gravitational lens near a fold caustic

   A. N. Alexandrov, В. И. Жданов

   Maqola20112 iqtibos

   ABIABI:AkademIndex/2026.other.251226