LDR 00465naa#a2200169#i#450# 001 EN\INFRA-M\bibl\267 005 20241223091116.1 011 ## _a2308-4898 100 ## _a20130603b2013####ek#y0engy0150####ca 101 0# _aRUS 102 ## _aRU 200 1# _aHow to define a number of roots of equations _eJournal article 210 1# _aMoscow _cINFRA-M Academic Publishing LLC. _d2013 215 ## _a1 с. 608 ## _aJournal article _2local 700 #1 _aSavelev _gYuriy 856 4# _azh-szf.ru _u