[Authors]
M. I. Grigoriev, V. N. Malozemov, A. N. Sergeev
[Title]
The main lemma of the polar forms theory
[AMS Subj-class]
41A10 Approximation by polynomials
[Abstract]
In terms of polar forms, a criterion of equality of values of two
algebraic polynomials of order $n$ on two variables together with
their partial derivatives of order up to $q$, in a given point,
is obtained.
[Comments]
Russian, 6 pp.
[Contact e-mail]
m_grigoriev@list.ru
malv@math.spbu.ru
aser57@mail.ru