TY  - JOUR
AU  - K. A. Lebedev
TI  - On Methodological and Scientific Principles of Creating  School Manuals of the Series ``MSU for School''. I. Numerical system (5--6 classes)
JO  - Matematičeskoe obrazovanie
PY  - 2016
SP  - 3
EP  - 20
VL  - 79
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MO_2016_79_3_a1/
LA  - ru
ID  - MO_2016_79_3_a1
ER  -