TY  - DATA
AU  - Ellina Grigorieva
TI  - Methods of Solving Nonstandard Problems
SN  - 9783319198873
PY  - 2015///
PB  - Springer International Publishing
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-3-319-19887-3
ER  -