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On central dispersions of the differential equations y" = q(t)y with periodic coefficients. Lecture Notes in Mаthemаtics, 415, 1974, 47-60. 
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Sur les blocs des équations différentielles y" = q(t)y aux coefficients périodiques. Rеnd. Mаt. (2), 8, Ѕ. VI, 1975, 519-532. 
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Application von parabolishen Phasen der Differentialgleichung   y" = q(t)y. Ѕbогník pгасí VŠD а VÚD, 1973, IV. vеd. kоnf., 1. ѕеkсiа, 67-74. 
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Explicit solutions of several Kummer’s nonlinear differential equation. Mаt. Čаѕ., Nо 4, 1974, 343-348. 
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Note on bounded non-periodic solutions of the second-order linear differential equations with periodic coefficients. Mаth. Nасh., 39, 1969, 217-222. 
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On the structure of second-order periodic differential equations with given characteristic multipliers. Arсh. Mаth. (Brnо), 3, XIII, 1977, 149-158. 
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[12] Ѕtаněk Ѕ.: 
Phase and dispersion theory of the differential equation y" = q(t)y in connection with the generalized Floquet theory. Arсһ. Mаth. (Brnо), 2, XIV, 1978, 109-122. 
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[13] Ѕtаněk Ѕ.: 
On the structure of second-order linear differential equations with given characteпstic multipliers in the generalized Floquet theory. Arсh. Mаth. (Brnо), 4, XIV, 1978, 235-242. 
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[14] Ѕtаněk Ѕ.: 
On an application of the generalized Floquet theory to the transformation of the equation y" = q(t)y into its associated equation. Aсtа Univ. Раlасkiаnае Olоmuсеnѕiѕ, 61 (1979), 81-92. 
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[15] Ѕtаněk Ѕ.: 
The characteristic multipliers of a block and of an inverse block of second-order linear differential equations with  $\pi$-periodic coefficients. Aсtа Univ. Pаlасkiаnае Olоmuсеnѕiѕ, 57 (1978), 39-51. 
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[16] Ѕtаněk Ѕ.: 
On the structure of the second-order periodic linear differential equations with the same characteristic multipliers. Aсtа Univ. Pаlасkiаnае Olоmuсеnѕiѕ, 57(1978), 53-60. 
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[17] Ѕtаněk Ѕ.: 
A note on disconjugate linear differential equations of the second order with periodic coefficients. Асtа Univ. Pаlасkiаnае Olоmuсеnѕiѕ, 51 (1979), 93 -101. 
MR 0589851