@article{ZNSL_2024_539_a6,
     author = {S. Repin},
     title = {Derivation of fully computable error bounds from a posteriori error identities},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {120--156},
     year = {2024},
     volume = {539},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2024_539_a6/}
}