Brouwer degree, equivariant maps and tensor powers. Balanov, Z.; Krawcewicz, W.; Kushkuley, A. — 1998 Abstract and Applied Analysis
On a local Lipschitz constant of the maps related to L U -decomposition. Balanov, Z.; Krawcewicz, W.; Kushkuley, A.; Zabreiko, P.P. — 2000 Zeitschrift für Analysis und ihre Anwendungen