1. Fundamental Systems of Solutions of Some Linear Differential Equations of Higher Order
:FECENKO, Jozef. Fundamental Systems of Solutions of Some Linear Differential Equations of Higher Order. - Registrovaný: Scopus, Registrovaný: Web of Science. In Mathematica Slovaca. - Bratislava : Slovak Academy of Sciences. ISSN 1337-2211, 2025, vol. 75, no. 1, pp. 55-68.