1. Abramovich, S.: Superquadracity of functions and rearrangements of sets. JIPAM. J. Inequal. Pure Appl. Math. 8, Article 46 (2007)
2. Abramovich, S.: 1. Remark. In: Bandle, C., Gilányi, A., Losonczi, L., Páles, Zs., Plum, M. (eds.) Problems and Remarks, Inequalities and Applications, p. xli. Birkhäuser Verlag, Boston, Berlin (2009)
3. Abramovich, S.: On superquadracity. J. Math. Inequal. 3, 329–339 (2009)
4. Abramovich, S., Banić, S., Matic, M.: Superquadratic functions in several variables. J. Math. Anal. Appl. 327, 1444–1460 (2007)
5. Abramovich, S., Barić, J., Pečarić, J.: Fejér and Hermite-Hadamard type inequalities for superquadratic functions. J. Math. Anal. Appl. 344, 1048–1056 (2008)