@article{krichever:1976:acz,
    author = {Krichever, I. M.},
     title = {An algebraic-geometrical construction of the {Z}akharov-{S}habat
              equations and their periodic solutions},
   journal = {Sov. Math. Doklady},
    volume = {17},
      year = {1976},
     pages = {394–397},
     zblno = {0361.35007}}