00503naa#a2200169#i#450# EN\INFRA-M\bibl\14082 20260630184522.2 2308-4898 20161219b2016####ek#y0engy0150####ca RUS RU Formal Representation of Incidence Conditions in Multidimensional Projective Spaces Journal article Moscow INFRA-M Academic Publishing LLC. 2016 10 с. Journal article local Yurkov V. zh-szf.ru