2 citations to https://www.mathnet.ru/rus/asnsp1

1. Simon Markfelder, Lecture Notes in Mathematics, 2294, Convex Integration Applied to the Multi-Dimensional Compressible Euler Equations, 2021, 51  
2. Stefano Bianchini, Paolo Bonicatto, Springer Optimization and Its Applications, 135, Current Research in Nonlinear Analysis, 2018, 33