@article{Formin21,
TITLE = {Parameterized Complexity of Directed Spanner Problems},
AUTHOR = {Fomin, Fedor V. and Golovach, Petr A. and Lochet, William and Misra, Pranabendu and Saurabh, Saket and Sharma, Roohani},
LANGUAGE = {eng},
ISSN = {0178-4617},
DOI = {10.1007/s00453-021-00911-x},
PUBLISHER = {Springer-Verlag},
ADDRESS = {New York},
YEAR = {2022},
DATE = {2022},
JOURNAL = {Algorithmica},
VOLUME = {84},
PAGES = {2292--2308},
}