Interactive geometry labs – US Russian approach

LYUBLINSKAYA, Irina - RYZHIK, Valeriy. Interactive geometry labs – US Russian approach. In Proceedings of the 8th International Conference on Technology in Mathematics Teaching x, 46 s. + 1 CD-ROM. ISBN 978-80-7041-285-5 (brož.) International Conference on Technology in Mathematics Teaching. Hradec Králové : Gaudeamus, 2007, s. 41.