Belan Evgenii Petrovich. Method of invariant manifolds in the theory of parabolic and functional differential equations and its application : д.ф.-м.н. : spec.. 01.01.02 - Диференційні рівняння : presented. 2007-03-27; popup.evolution: .; Institute of Mathematics of the National Academy of Sciences of Ukraine. – , 0507U000215.

Updated: 2026-11-12