@article{10_37236_3954,
     author = {Rajendra M. Pawale and Mohan S. Shrikhande and Shubhada M. Nyayate},
     title = {Conditions for the parameters of the block graph of quasi-symmetric designs},
     journal = {The electronic journal of combinatorics},
     year = {2015},
     volume = {22},
     number = {1},
     doi = {10.37236/3954},
     zbl = {1307.05024},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/3954/}
}