An upper bound for the linearity of Exponential Welch Costas functions

Reference:

Risto M. Hakala. An upper bound for the linearity of Exponential Welch Costas functions. Finite Fields and Their Applications, 18(4):855–862, 2012.

Suggested BibTeX entry:

@article{hakala:ffa2012,
    author = {Risto M. Hakala},
    journal = {Finite Fields and Their Applications},
    language = {eng},
    number = {4},
    pages = {855-862},
    title = {An upper bound for the linearity of {E}xponential {W}elch {C}ostas functions},
    volume = {18},
    year = {2012},
}