Yuri V. Egorov, Vladimir A. Kondratiev
On Spectral Theory of Elliptic Operators - 1996 - Birkhäuser Basel 1996 - Operator Theory: Advances and Applications .
9783034890298
Mathematics and Statistics
On Spectral Theory of Elliptic Operators - 1996 - Birkhäuser Basel 1996 - Operator Theory: Advances and Applications .
9783034890298
Mathematics and Statistics