Pseudo-steady-state productivity formula for a partially penetrating vertical well in a box-shaped reservoir.
Lu, Jing, Tiab, Djebbar (2010)
Mathematical Problems in Engineering
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Lu, Jing, Tiab, Djebbar (2010)
Mathematical Problems in Engineering
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Gokhman, Alexander, Gokhman, Dmitry (1999)
Mathematical Problems in Engineering
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Wang, Hongyun, Zhou, Hong (2007)
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El-Bassiouny, A.F. (2002)
International Journal of Mathematics and Mathematical Sciences
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Bo Li, Pan Wang (2007)
Formalized Mathematics
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In this article, we prove a series of differentiation identities [3] involving the secant and cosecant functions and specific combinations of special functions including trigonometric, exponential and logarithmic functions.
Bassali, W.A. (1986)
International Journal of Mathematics and Mathematical Sciences
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Sampath, C., Jain, D.L. (1988)
International Journal of Mathematics and Mathematical Sciences
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Peng Wang, Bo Li (2007)
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In this article, we give several differentiation formulas of special and composite functions including trigonometric, polynomial and logarithmic functions.
Robin J. Knops, Piero Villaggio (2001)
Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni
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An extension is proposed of a classical approximate method for estimating the stress state in an elastic rod obliquely colliding against a rigid wall.
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Mathematical Problems in Engineering
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Robin W. Tucker, R. S. Tung, C. Wang (1999)
Extracta Mathematicae
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