Celebratio Mathematica

P. Erdős and I. Ka­plansky: “Se­quences of plus and minus,” Scripta Math. 12 (1946), pp. 73–​75. MR 0017241 Zbl 0060.​02901

P. Erdös and I. Ka­plansky: “The asymp­tot­ic num­ber of Lat­in rect­angles,” Amer. J. Math. 68 : 2 (April 1946), pp. 230–​236. MR 0015356 Zbl 0060.​02808

I. Ka­plansky: “In­tegers uniquely rep­res­en­ted by cer­tain tern­ary forms,” pp. 86–​94 in The math­em­at­ics of Paul Erdős, vol. I. Edi­ted by R. L. Gra­ham and J. Nešetřil. Al­gorithms and Com­bin­at­or­ics 13. Spring­er (Ber­lin), 1997. MR 1425177 Zbl 0867.​11028