@article{MZ_1989__201_4_174069,
     author = {B. Jawerth and M. Milman},
     title = {Interpolation of {Weak} {Type} {Spaces.}},
     journal = {Mathematische Zeitschrift},
     pages = {509--520},
     publisher = {mathdoc},
     volume = {201},
     number = {4},
     year = {1989},
     zbl = {0648.46063},
     url = {http://geodesic.mathdoc.fr/item/MZ_1989__201_4_174069/}
}