1 documents found
Grushevoi Roman Vasyl'ovych. On systems of subspaces of a Hilbert space
: к.ф.-м.н. :
spec.. 01.01.01 - Математичний аналіз :
presented. 2011-02-01; popup.evolution: .;
Institute of mathematics NAS of Ukraine. – , 0411U000271.
1 documents found
Updated: 2026-03-23
