Generalization of amplitude phase and accompanying differential equation. (English) Zbl 0261.34006


34A30 Linear ordinary differential equations and systems
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[1] Borůvka O.: Lineare Differentialtransformationen 2. Ordnung. Berlin 1967. · Zbl 0153.11201
[2] Háčik M.: O splynutí diferenciálnej rovnice \(y'' = q(t)y\) s jej sprievodnou rovnicou. Sborník prací VŠD a VÚD Žilina
[3] Laitoch M.: Ľéquation associée dans la théorie des transformations des équations différentielles du second ordre. Acta Univ. Palackianae Olomucensis 1963 TOM 12 pp. 45-62. · Zbl 0256.34005
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