@article{10_4153_CMB_1987_007_9,
     author = {Tsuda, K\^oichi},
     title = {Rectangularity {Versus} {Piecewise} {Rectangularity} of {Product} {Spaces}},
     journal = {Canadian mathematical bulletin},
     pages = {49--56},
     year = {1987},
     volume = {30},
     number = {1},
     doi = {10.4153/CMB-1987-007-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1987-007-9/}
}