@article{10_1017_S0017089501000040,
     author = {Hirota, Ryogo and Iwao, Masataka and Tsujimoto, Satoshi},
     title = {Soliton equations exhibiting {Pfaffian} solutions},
     journal = {Glasgow mathematical journal},
     pages = {33--41},
     year = {2001},
     volume = {43},
     number = {A},
     doi = {10.1017/S0017089501000040},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089501000040/}
}