IVANOV, GRIGORY No-Dimensional Helly’s Theorem in Uniformly Convex Banach Spaces Studia Scientiarum Mathematicarum Hungarica

WENCAI LIU, RODRIGO MATOS* AND JOHN N TREUER , Sharp decay rate for eigenfunctions of perturbed periodic Schrödinger operators Nonlinearity, 38, Number 4

GRIGORY IVANOV Quantitative Steinitz Theorem and Polarity Discrete & Computational Geometry ( Springer)