@article{RO_1995__29_2_131_0,
     author = {Seeger, A. and Volle, M.},
     title = {On a convolution operation obtained by adding level sets : classical and new results},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {131--154},
     publisher = {EDP-Sciences},
     volume = {29},
     number = {2},
     year = {1995},
     mrnumber = {1337887},
     zbl = {0835.90094},
     language = {en},
     url = {http://www.numdam.org/item/RO_1995__29_2_131_0/}
}