Bhattacharya, K. N. A new solution in symmetrical balanced incomplete block designs \((v=b=31, r=k=10, \lambda=3)\). (English) Zbl 0060.31317 Sankhyā 7, 423-424 (1946). PDFBibTeX XMLCite \textit{K. N. Bhattacharya}, Sankhyā 7, 423--424 (1946; Zbl 0060.31317)
Bhattacharya, K. N. A new balanced incomplete block design. (English) Zbl 0060.31312 Science and Culture 9, 508 (1944). PDFBibTeX XML
Bhattacharya, K. N. A note on two-fold triple systems. (English) Zbl 0060.31316 Sankhyā 6, 313-314 (1943). PDFBibTeX XMLCite \textit{K. N. Bhattacharya}, Sankhyā 6, 313--314 (1943; Zbl 0060.31316)