@article{10_2298_FIL2104095A,
     author = {Davood Ahmadian and Akbar Ebrahimi and Karim Ivaz and Mariyan Milev},
     title = {An investigation on the existence and uniqueness analysis of the optimal exercise boundary of {American} put option},
     journal = {Filomat},
     pages = {1095 },
     year = {2021},
     volume = {35},
     number = {4},
     doi = {10.2298/FIL2104095A},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2104095A/}
}