Compactifications of the Ray with the Arc as Remainder Admit no n-Mean
M. M. Awartani, D. Henderson · Proceedings of the American Mathematical Society · 1995
M. M. Awartani, David W. Henderson, Compactifications of the Ray with the Arc as Remainder Admit no n-Mean, Proceedings of the American Mathematical Society, Vol. 123, No. 10 (Oct., 1995), pp. 3213-3217