@article{ITA_1981__15_3_183_0,
     author = {Mehlhorn, Kurt},
     title = {Arbitrary weight changes in dynamic trees},
     journal = {RAIRO. Informatique th\'eorique},
     pages = {183--211},
     publisher = {EDP-Sciences},
     volume = {15},
     number = {3},
     year = {1981},
     mrnumber = {630062},
     zbl = {0467.68022},
     language = {en},
     url = {http://www.numdam.org/item/ITA_1981__15_3_183_0/}
}