Notice of the filing of a petition for conversion to a water district, fixing time and place of the hearing, shall be given in the same manner as prescribed in K.S.A. 82a-626, insofar as same can be made applicable, except that all members whose names are shown on the roster of stockholders submitted with the petition for conversion shall be considered petitioners, and shall be given notice of such filing and of the time and place of the hearing by registered or certified mail.
K.S.A. 82a-632