How to Obey Schools Ruling? Pataki and Bloomberg Differ
New York State Governor George E Pataki and New York City Mayor Michael R Bloomberg continue to clash over interpretation of Court of Appeals ruling on 1993 class action suit that ordered New York State to fix New York City public schools problems; Pataki contends that ruling allows him to use increased funds to broadly improve state's educational infrastructure, while Bloomberg insists ruling's intent was to fix city's public schools; photo (M)