@article{AIHPA_1977__26_3_295_0,
     author = {Schrader, Robert},
     title = {A possible constructive approach to $\phi ^4_4$. {II}},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {295--301},
     year = {1977},
     publisher = {Gauthier-Villars},
     volume = {26},
     number = {3},
     language = {en},
     url = {https://www.numdam.org/item/AIHPA_1977__26_3_295_0/}
}