@article{10_4064_sm172_3_3,
     author = {S. Rolewicz},
     title = {An extension of {Mazur's} theorem
 on {Gateaux} differentiability
 to the class of strongly $\alpha (\cdot )$-paraconvex functions},
     journal = {Studia Mathematica},
     pages = {243--248},
     publisher = {mathdoc},
     volume = {172},
     number = {3},
     year = {2006},
     doi = {10.4064/sm172-3-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm172-3-3/}
}