@article{10_37236_1976,
     author = {Masao Ishikawa and Hiroyuki Kawamuko and Soichi Okada},
     title = {A {Pfaffian-Hafnian} analogue of {Borchardt's} identity},
     journal = {The electronic journal of combinatorics},
     year = {2005},
     volume = {12},
     doi = {10.37236/1976},
     zbl = {1074.05090},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1976/}
}