1. Handbook of Mathematical Functions With Formulas, Graphs and Mathematical Tables;Abramowitz,1972
2. Update on a class of gradient theories;Aifantis;Mech. Mater.,2003
3. On the structure of the mode III crack-tip in gradient elasticity;Altan;Scr. Metall.,1992
4. Nonlocal stress field at Griffith crack;Ari;Cryst. Lattice Def. Amorph. Mat.,1983
5. On some recent crack tip stress calculations in non-local elasticity;Atkinson;Arch. Mech.,1980