@article{Astolfi+Ladiray+Mazzi+2001+377+398, url = {https://doi.org/10.3790/vjh.70.3.377}, title = {Business Cycle Extraction of Euro-Zone GDP: Direct versus Indirect Approach}, title = {}, author = {Roberto AstolfiDominique LadirayGian Luigi Mazzi}, pages = {377--398}, volume = {70}, number = {3}, journal = {Vierteljahrshefte zur Wirtschaftsforschung}, doi = {doi:10.3790/vjh.70.3.377}, year = {2001}, lastchecked = {2001-07-01} }