@article{CRMATH_2020__358_9-10_1091_0,
     author = {Guerra, Andr\'e and Rai\c{t}\u{a}, Bogdan},
     title = {On the necessity of the constant rank condition for $L^p$ estimates},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {1091--1095},
     publisher = {Acad\'emie des sciences, Paris},
     volume = {358},
     number = {9-10},
     year = {2020},
     doi = {10.5802/crmath.105},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/crmath.105/}
}