@article{zu28632,
           title = {On hyperholomorphic functions of spatial variable},
          author = {?. ?. ?????},
       publisher = {Department of Mechanics and Mathematics, Ivan Franko National University of Lviv},
            year = {2012},
           pages = {132},
         journal = {International Conference dedicated to 120-th anniversary of STEFAN BANACH 17 ? 21 September 2012, Lviv, Ukraine},
             url = {http://eprints.zu.edu.ua/8632/},
        abstract = {We proved a theorem about integral of quaternionic-differentiable
functions of spatial variable over the closed surface. It is an
analog of the Cauchy theorem from complex analysis.}
}