@article{120122, author = {Stan\v ek, Svatoslav}, title = {On a structure of the intersection of the set of dispersions of two second-order linear differential equations}, journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica}, volume = {21}, year = {1982}, pages = {79-85}, zbl = {0543.34026}, mrnumber = {0702610}, language = {en}, url = {http://dml.mathdoc.fr/item/120122} }
Staněk, Svatoslav. On a structure of the intersection of the set of dispersions of two second-order linear differential equations. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 21 (1982) pp. 79-85. http://gdmltest.u-ga.fr/item/120122/
Linear Differential Transformations of the Second Order, The English Univ. Prеss, London, 1971. (1971) | MR 0463539
Teopuя глoбaльныx cвoйcmв oбыкнoвeнныx лuнeйныx дuффepeнцuaльныx ypaeнeный вmopoгo nopядкa, Диффеpенциaльные ypaвнения, No 8, т. XII, 1976, 1347-1383. (1976)
, Lectures at the seminar of the Institute of Mathematics of the Czechoslovak Academy of Science in Brno.