TY JOUR TI Osobennosti formirovaniya predstavleniya o «sokhranenii» v deyatel'nostnoy modeli usvoeniya soderzhaniya nauchnykh ponyatiy KW JO Bulletin of Nizhnevartovsk State University AU Arkhipova, T.. AU Snegireva, T.. PY 2010 IS PB Nizhnevartovsk State University