The study of Delsarte-Lions type binary transformations, their differential-geometric and operator structure with applications, Pt. 2 / Jarema A. Prykarpatsky, Anatoliy M. Samoilenko // Opuscula Mathematica ; ISSN 1232-9274. — Tytuł poprz.: Scientific Bulletins of Stanisław Staszic Academy of Mining and Metallurgy. Opuscula Mathematica. — 2007 vol. 27 no. 1, s. 113–130. — Bibliogr. s. 127–130, Abstr.. — tekst: https://goo.gl/Lfn4mP