@article{paperid:1076269, author = {Garousi, Mohammad Reza}, title = {Effective action of bosonic string theory at order $$\alpha '^2$$}, journal = {The European Physical Journal C}, year = {2019}, volume = {79}, number = {10}, month = {October}, issn = {1434-6052}, keywords = {Bosonic string theory; Effective action;}, }