@article {IOPORT.50193621, author = {Dohmen, Klaus}, title = {Bonferroni-type inequalities via chordal graphs}, year = {2002}, journal = {Combinatorics, Probability & Computing}, volume = {11}, number = {4}, pages = {349-351}, doi = {10.1017/S0963548302005151}, identifier = {50193621}, }