B. Du. On the existence of three incomplete idempotent MOLS. Australasian J. Combinatorics, 12:193-200, 1995. [doi]
@article{Du95a, title = {On the existence of three incomplete idempotent MOLS}, author = {B. Du}, year = {1995}, url = {http://ajc.maths.uq.edu.au/pdf/12/ocr-ajc-v12-p193.pdf}, researchr = {https://researchr.org/publication/Du95a}, cites = {0}, citedby = {0}, journal = {Australasian J. Combinatorics}, volume = {12}, pages = {193-200}, }