MathSciNet bibliographic data MR1191890 (93k:35051) 35B45 (35J30 35R05) Chiarenza, Filippo; Frasca, Michele; Longo, Placido Interior \$W\sp {2,p}\$$W\sp {2,p}$ estimates for nondivergence elliptic equations with discontinuous coefficients. Ricerche Mat. 40 (1991), no. 1, 149–168. Links to the journal or article are not yet available

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