@InCollection{zbMATH01405286,
Author = {D. {Medkov\'a} and J. {Kr\'al}},
Title = {{Essential norms of the integral operator corresponding to the Neumann problem for the Laplace equation}},
BookTitle = {{Mathematical aspects of boundary element methods. Minisymposium during the IABEM 98 conference, dedicated to Vladimir Maz'ya on the occasion of his 60th birthday on 31st December 1997, Paris, France, 1998}},
ISBN = {1-58488-006-6},
Pages = {215--226},
Year = {2000},
Publisher = {Boca Raton, FL: Chapman \& Hall/CRC},
Language = {English},
MSC2010 = {45P05 47A30 47G10 35J05 35C15},
Zbl = {0937.45010}
}