[N] J. Novák: Double convergence and products of Frèchet spaces. Czechoslovak Math. J. 48(123) (1998), 207–227. DOI 10.1023/A:1022829218525 | MR 1624303

[1] O. Fischer, J. Hájek, V. Koutník, M. Novotný and M. Sekanina: 60 years of Academician Josef Novák. Časopis Pěst. Mat. 90 (1965), 236–246. (Czech) MR 0192992

[2] Z.  Frolík and F.  Zítek: The seventieth anniversary of Professor Josef Novák. Czechoslovak Math. J. 25(100) (1975), 330–335. MR 0360139

[3] Z.  Frolík and V.  Koutník: The eightieth birthday of Professor Josef Novák. Czechoslovak Math. J. 35(110) (1985), 338–344. MR 0787136

[4] R.  Frič: History of sequential convergence spaces. Handbook of the History of General Topology, Volume 1, C.  E.  Aull and R.  Lowen (eds.), Kluwer Academic Publishers, Amsterdam, 1997, pp. 343–355. MR 1617537

[5] R.  Frič: Sequential structures and probability: categorical reflections. Categorical Methods in Algebra and Topology, Hans-E. Porst (ed.), Universität Bremen, Mathematik-Arbeitspapiere Nr. 48, Bremen, 1997, pp. 157–169.

[6] D.  C.  Kent and G.  D.  Richardson: Two generalizations of Novák’s sequential envelope. Math. Nachr. 91 (1971), 77–85. DOI 10.1002/mana.19790910106 | MR 0563600

[7] R.  Frič and D.  C.  Kent: The finite product theorem for certain epireflections. Math. Nachr. 150 (1991), 7–14. DOI 10.1002/mana.19911500102 | MR 1109641

[8] R.  Beattie, H.-P.  Butzmann and H.  Herrlich: Filter convergence via sequential convergence. Comment. Math. Univ. Carolinae 27 (1986), 69–81. MR 0843421

[9] M.  Schroder: Arrows in the “finite product theorem for certain epireflectors” of R.  Frič and D.  C.  Kent. Math. Slovaca 45 (1995), 171–191. MR 1357073