- nonintegrable group
- мат.неинтегрируемая группа
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Differential geometry — A triangle immersed in a saddle shape plane (a hyperbolic paraboloid), as well as two diverging ultraparallel lines. Differential geometry is a mathematical discipline that uses the techniques of differential and integral calculus, as well as… … Wikipedia