@article{10_4153_CJM_1970_050_1,
     author = {Duff, G. F. D.},
     title = {Integral {Inequalities} for {Equimeasurable} {Rearrangements}},
     journal = {Canadian journal of mathematics},
     pages = {408--430},
     year = {1970},
     volume = {22},
     number = {2},
     doi = {10.4153/CJM-1970-050-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-050-1/}
}