О. Б. Ковалев

2 ta ish

Physicotechnical Institute, Academy of Sciences of the Ukrainian SSR , Khar’kov

1. Chain of secular equations in the lattice vibration problem

   О. Б. Ковалев

   MaqolaElasticity and Wave PropagationSoviet Journal of Low Temperature Physics19830 iqtibos

   ABIABI:AkademIndex/openalex/1983.article.000098

2. A new group-theoretical analysis for lattice vibrations. Behavior of levels close to high-symmetry points

   О. Б. Ковалев

   MaqolaAdvancements in Materials EngineeringSoviet Journal of Low Temperature Physics19840 iqtibos

   ABIABI:AkademIndex/openalex/1984.article.000174