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Browsing by Author "Popivanov, Nedyu"
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Issue Date
Title
Author(s)
Publisher
2012
Quasi-Regular Solutions for 3D Equations of Tricomi and Keldish Types
Hristov, Tsvetan
;
Popivanov, Nedyu
;
Schneider, Manfred
Union of Bulgarian Mathematicians
2012
Singular Solutions of Protter’s Problem for a Class of 3-D Hyperbolic Equations
Popivanov, Nedyu
;
Nikolov, Aleksey
Union of Bulgarian Mathematicians
2011
Singular Solutions with Exponential Growth for the (3+1)-D Wave Equation
Popivanov, Nedyu
;
Popov, Todor
;
Scherer, Rudolf
Union of Bulgarian Mathematicians
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