@article{AIHPA_1993__59_2_141_0,
     author = {Billionnet, Claude and Renouard, Pierre},
     title = {Analyticity and {Borel} summability of the $\phi ^4$ models. {I.} {The} dimension $d = 1$},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {141--199},
     publisher = {Gauthier-Villars},
     volume = {59},
     number = {2},
     year = {1993},
     zbl = {0791.46058},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1993__59_2_141_0/}
}