@article{RSMUP_1976__56__1_0,
     author = {Zaidman, S.},
     title = {The weak {Cauchy} problem for abstract differential equations},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {1--21},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {56},
     year = {1976},
     mrnumber = {477365},
     zbl = {0405.34057},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1976__56__1_0/}
}