@article{GriewankStreubelTischendorf2020, author = {Andreas Griewank and Tom Streubel and Caren Tischendorf}, title = {On the abs-polynomial expansion of piecewise smooth functions}, journal = {Optimization Methods and Software}, doi = {10.1080/10556788.2020.1817448}, year = {2020}, note = {epub ahead of print} }