00580naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200008400094210003400178215001000212608002700222675011200249700003500361856001400396EN\\bibl\9537320250603085522.2##a2782-4586##a20250228b2025####ek#y0engy0150####ca##aRU1#aPROPAEDEUTICS OF ECONOMICS IN THE SCHOOL COURSE OF MATHEMATICSeJournal article1#aMoscowcITBO Universityd2025##a4 с.##aJournal article2local##aМатематическая экономическая теория. 330.42aматематики. 372.851#1aKisel'nikovgIgor' Vasil'evich4#ajomeam.ru