@article{PalyulinChechkinMetzler2014, author = {Vladimir V. Palyulin and Aleksei V. Chechkin and Ralf Metzler}, title = {Space-fractional Fokker-Planck equation and optimization of random search processes in the presence of an external bias}, journal = {Journal of statistical mechanics: theory and experiment}, doi = {10.1088/1742-5468/2014/11/P11031}, year = {2014}, }