@article{FPM_2005_11_2_a2,
     author = {I. E. Wijayanti},
     title = {On the wedge product and coprime coalgebras},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {45--49},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2005_11_2_a2/}
}