V. Kovalev, Leonid
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Albert Baernstein II,
Leonid V. Kovalev,
On Hölder regularity for elliptic equations of non-divergence type in the plane,
ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE: 2005: VOL. IV, ISSUE 2
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Jan Cristina,
Tadeusz Iwaniec,
Leonid V. Kovalev,
Jani Onninen,
The Hopf-Laplace equation: harmonicity and regularity,
ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE: 2014: VOL. XIII, ISSUE 4
[PDF]