Ma'lumot

ON PROPERTIES OF SOME SINGULAR SURFACES

S. E. Usmanov


In this paper it is considered some singular surfaces in given by parametric equations.
It is proved that at least one of the principal curvatures does not vanish at each regular point of these surfaces



https://doi.org/10.59251/2181-1296.v5.1231.1438

Sahifalar soni 01-12 | 84 Ko'rishlar | 44 Yuklab olishlar

To'liq maqolani yuklab olish