@article{BASM_2008_3_a11,
     author = {Valery Dryuma},
     title = {Four-dimensional {Ricci-flat} space defined by the {KP-equation}},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {108--111},
     publisher = {mathdoc},
     number = {3},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2008_3_a11/}
}