@article{702441,
     title = {Mappings of monotone type: Theory and applications},
     booktitle = {Nonlinear Analysis, Function Spaces and Applications},
     series = {GDML\_Books},
     publisher = {B. G. Teubner Verlagsgesellschaft},
     address = {Leipzig},
     year = {1990},
     pages = {104-126},
     mrnumber = {MR1151433},
     zbl = {0746.47031},
     url = {http://dml.mathdoc.fr/item/702441}
}

Mustonen, Vesa. Mappings of monotone type: Theory and applications, dans Nonlinear Analysis, Function Spaces and Applications, GDML_Books,  (1990), pp. 104-126. http://gdmltest.u-ga.fr/item/702441/