LDR 00517naa#a2200169#i#450# 001 EN\\bibl\68694 005 20241219193410.4 011 ## _a2307-7476 100 ## _a20160625b2016####ek#y0engy0150####ca 101 0# _aRUS 102 ## _aRU 200 1# _aSOME SAFETY ISSUES IN SIMPLE MECHANICS PROBLEMS _eJournal article 210 1# _aSaint-Petersburg _cSaint-Petersburg University of State Fire Service of Emercom of Russia _d2016 215 ## _a12 с. 608 ## _aJournal article _2local 700 #1 _aTrubilko _gA I 856 4# _ajournals.igps.ru _u