LEADER 01389nam a2200421 i 4500 001 991000883499707536 005 20020507175202.0 008 951011s1982 de ||| | eng 020 $a3540111832 035 $ab10770677-39ule_inst 035 $aLE01303785$9ExL 040 $aDip.to Matematica$beng 082 0 $a515.7246 084 $aAMS 41A36 084 $aAMS 46B42 084 $aAMS 46E05 084 $aAMS 47A20 100 1 $aDonner, Klaus$054950 245 10$aExtension of positive operators and Korovkin theorems /$cKlaus Donner 260 $aBerlin :$bSpringer-Verlag,$c1982 300 $axii, 181 p. :$bill. ;$c25 cm. 490 0 $aLecture notes in mathematics,$x0075-8434 ;$v904 500 $aBibliography: p. [177]-181. 500 $aIncludes index 650 4$aApproximation by positive operators 650 0$aBanach lattices 650 4$aCompressions 650 4$aConvergence 650 4$aDilations 650 4$aExtensions 650 4$aLinear operators 650 4$aPositive operators 907 $a.b10770677$b23-02-17$c28-06-02 912 $a991000883499707536 945 $aLE013 47A DON11 (1982)$g1$i2013000036946$lle013$o-$pE0.00$q-$rl$s- $t0$u2$v0$w2$x0$y.i10869098$z28-06-02 996 $aExtension of positive operators and Korovkin theorems$980999 997 $aUNISALENTO 998 $ale013$b01-01-95$cm$da $e-$feng$gde $h0$i1