00789naa#a2200157#i#450# EN\\bibl\20288 20260701203405.3 20260630b2026####ek#y0engy0150####ca RU THE CONCEPT OF PHASED MODERNIZATION OF LEGACY-CLASS PDM SYSTEM USING THE EXAMPLE OF LOTSIA PDM PLUS IN JSC GSP ENGINEERING Conference article/thesis Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2026 5 с. Conference article/thesis local Информационные технологии. Компьютерные технологии. Теория вычислительных машин и систем. 004 Synorov S. O. bibl.vgltu.ru