Nearly Kirkman triple systems of order 18 and Hanani triple systems of order 19

Charles J. Colbourn, Petteri Kaski, Patric R. J. Östergård, David A. Pike, Olli Pottonen. Nearly Kirkman triple systems of order 18 and Hanani triple systems of order 19. Discrete Mathematics, 311(10-11):827-834, 2011. [doi]

Abstract

Abstract is missing.