REVISTA MATEMATICA COMPLUTENSE, cilt.30, sa.1, ss.1-12, 2017 (SCI-Expanded)
We prove that the generalized p-trigonometric functions of Lindqvist and Peetre form a basis in the Lebesgue space L-r (0, 1)(n) for any r is an element of(1, infinity), provided and n <= 3 and p > p(n) >= 1.