00519naa#a2200169#i#450# EN\\bibl\66064 20241123102516.6 2074-1618 20130925b2013####ek#y0engy0150####ca RUS RU RUDOLF KJELLÉN - FOUNDER OF THE CLASSIC GEOPOLITICS Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2013 4 с. Journal article local Kefeli I F journals.igps.ru