@article{ITA_2000__34_2_157_0,
     author = {Zakharov, Vladimir A.},
     title = {On the decidability of the equivalence problem for monadic recursive programs},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {157--171},
     publisher = {EDP-Sciences},
     volume = {34},
     number = {2},
     year = {2000},
     mrnumber = {1774307},
     zbl = {0962.68091},
     language = {en},
     url = {http://archive.numdam.org/item/ITA_2000__34_2_157_0/}
}