00680naa#a2200193#i#450# EN\\bibl\68630 20250410022408.4 2307-7476 20150325b2015####ek#y0engy0150####ca RUS RU POSSIBILITY OF APPLYING THE GRAPH THEORY FOR SOLVING A NUMBER OF OPTIMIZATION PROBLEMS OF OPERATIONAL ACTIVITIES OF DIVISIONS OF EMERCOM OF RUSSIA Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2015 5 с. Journal article local Barinova Yu S Kamenetskaya N V Kalinina E S journals.igps.ru