@article{CM_1970__22_1_23_0,
     author = {Brown, H. I.},
     title = {A note on type $P$ methods of summation},
     journal = {Compositio Mathematica},
     pages = {23--28},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {22},
     number = {1},
     year = {1970},
     mrnumber = {261208},
     zbl = {0193.02201},
     language = {en},
     url = {http://www.numdam.org/item/CM_1970__22_1_23_0/}
}