@article{10_4064_sm_87_2_181_191,
     author = {S. Rolewicz},
     title = {On {\ensuremath{\Delta}-uniform} convexity and drop property},
     journal = {Studia Mathematica},
     pages = {181--191},
     publisher = {mathdoc},
     volume = {87},
     number = {2},
     year = {1987},
     doi = {10.4064/sm-87-2-181-191},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-87-2-181-191/}
}