[1] Bohumil Bydžovský: Introduction to Algebraic Geometry. (Czech). Praha, 1948 (JČSMF).
[3] B. L. Van der Waerden:
Einführung in die algebraische Geometrie. Springer Verlag, Berlin, 1939.
Zbl 0021.25001
[4] Bohumil Bydžovský:
Points of inflection of some planar quartics. (Czech). Čas. pěst. mat. 88 (1963), p. 224-235.
MR 0151895
[5] Josef Metelka:
A note to the paper by Acad. B. Bydžovský: Points of inflection of some planar quartics. (Czech). Čas. pěst. mat. 90 (1965), p. 455-457.
MR 0187136
[6] Dalibor Klucký, Jaromír Krys:
Another note to the paper by Acad. B. Bydžovský: Points of inflection of some planar quartics. (Czech). Čas. pěst. mat. 92 (1967), p. 212-214.
MR 0222748