@article{10_4153_CJM_1980_078_7,
     author = {Holland, F. and Twomev, J. B.},
     title = {Integral {Means} of {Functions} with {Positive} {Real} {Part}},
     journal = {Canadian journal of mathematics},
     pages = {1008--1020},
     year = {1980},
     volume = {32},
     number = {4},
     doi = {10.4153/CJM-1980-078-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1980-078-7/}
}