@article{Nowicki:2021dA, author = "Nowicki, Marek and Górski, Łukasz and Bała, Piotr", title = "{Scalable computing in Java with PCJ Library. Improved collective operations}", doi = "10.22323/1.378.0007", journal = "PoS", year = 2021, volume = "ISGC2021", pages = "007" }