00557naa#a2200169#i#450# EN\\bibl\86000 20250610114530.2 2658-3569 20190325b2019####ek#y0engy0150####ca RUS RU The problems of the number of floors of construction in the Russian Federation and their solutions based on the experience of the European Union Journal article Moscow Electronic science 2019 0 с. Journal article local Galtsev Dmitriy Vitalievich qje.su