00611naa#a2200181#i#4500001001400000005001700014011001400031100004100045101000800086102000700094200009500101210013700196215001000333608002700343700002000370700001800390856002100408EN\\bibl\424520250428142022.1##a2308-8877##a20141113b2014####ek#y0engy0150####ca0#aRUS##aRU1#aTheoretical maps as a way learning of planimetry´s problems abstracteJournal article1#aVoronezhcFSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozovd2014##a4 с.##aJournal article2local#1aBondarenkogT. #1aGubanovagI. 4#aanni.editorum.ru