@article{10_4064_cm_31_1_29_32,
     author = {H. Sarbadhikari and K. P. S. Bhaskara Rao and E. Grzegorek},
     title = {Complementation in the lattice of {Borel} structures},
     journal = {Colloquium Mathematicum},
     pages = {29--32},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1974},
     doi = {10.4064/cm-31-1-29-32},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-31-1-29-32/}
}