I. Jo, N. Lažetić, “Estimate of the difference of derivatives of partial sums of decompositions corresponding to two arbitrary nonnegative selfadjoint extensions of two operators”, Differ. Uravn., 1980, Volume 16, Number 4,Pages <nobr>598

Ordinary Differential Equations

Estimate of the difference of derivatives of partial sums of decompositions corresponding to two arbitrary nonnegative selfadjoint extensions of two operators

I. Jo^a, N. Lažetić^b

^a Bolyai Institute, University of Szeged
^b Mathematical Institute, Belgrade, Socialist Federal Republic of Yugoslavia

UDC: 517.925.44

Received: 26.06.1979