@incollection{MSMF_1972__31-32__285_0,
     author = {Pietsch, Albrecht},
     title = {Absolutely $p$-summing operators in ${\mathcal {L}}_r$-spaces},
     booktitle = {Colloque d'analyse fonctionnelle (Bordeaux, 1971)},
     series = {Bulletin de la Soci\'et\'e math\'ematique de France. M\'emoire},
     pages = {285--315},
     year = {1972},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {31-32},
     doi = {10.24033/msmf.94},
     mrnumber = {51 #13743},
     zbl = {0244.47020},
     url = {https://www.numdam.org/articles/10.24033/msmf.94/}
}