@article{VKAM_2020_31_2_a12,
     author = {T. P. Yakovleva},
     title = {Development of a methodology for studying the concept of <<liter>>in the elementary course in mathematics},
     journal = {Vestnik KRAUNC. Fiziko-matemati\v{c}eskie nauki},
     pages = {179--204},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VKAM_2020_31_2_a12/}
}