@article{SJVM_2016_19_1_a10,
     author = {I. S. Shreifel and I. N. Eliseev},
     title = {Theoretical basis of the iterative process of the joint assessment of difficulties in tasks and levels of training students},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {107--123},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2016_19_1_a10/}
}