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<em><h2 align="CENTER">L. Lanzhe</h2>
</em><h2 align="CENTER">Boundedness for commutators of
Littlewood-Paley operators on some Hardy spaces</h2>
<em><h2 align="CENTER">(Lobachevskii Journal of Mathematics, Vol.12, pp.63-71) 
</h2></em>
<p>
    <math xmlns="http://www.w3.org/1998/Math/MathML">
	<mo>(</mo><msubsup><mi>H</mi><mi>b</mi><mi>p</mi></msubsup>
	</math>,
   <math xmlns="http://www.w3.org/1998/Math/MathML">
	<msup><mi>L</mi><mi>p</mi></msup><mo>)</mo>
	</math>-type and 
	 <math xmlns="http://www.w3.org/1998/Math/MathML">
    <mo>(</mo><msubsup><mi>H</mi><mi>b</mi><mrow><mi>p</mi><mo>&comma;</mo><mi>&infin;</mi></mrow>
    </msubsup>
	</math> ,
	 <math xmlns="http://www.w3.org/1998/Math/MathML">
	<msup><mi>L</mi><mrow><mi>p</mi><mo>&comma;</mo>
	<mi>&infin;</mi></mrow></msup><mo>)</mo>
	</math>-type boundedness for the commutators
      associated with the Littlewood-Paley operators and 
	    <math xmlns="http://www.w3.org/1998/Math/MathML">
	  <mi>b</mi><mo>&in;</mo> <mi>BMO</mi>
	  <mo>(</mo><msup><mi>R</mi><mi>n</mi></msup><mo>)</mo>
	  </math>
      are obtained, where 
	  <math xmlns="http://www.w3.org/1998/Math/MathML">
	<msubsup><mi>H</mi><mi>b</mi><mi>p</mi></msubsup>,
      </math>
	  and  
	  <math xmlns="http://www.w3.org/1998/Math/MathML">
	<msubsup><mi>H</mi><mi>b</mi><mrow><mi>p</mi><mo>&comma;</mo>
	<mi>&infin;</mi></mrow></msubsup>
      </math> 
	  are, respectively, variants of the standard Hardy spaces and weak Hardy spaces, and
      <math xmlns="http://www.w3.org/1998/Math/MathML">
	  <mfrac><mi>n</mi> <mrow><mo>(</mo><mi>n</mi><mo>+</mo><mi>&epsi;</mi>
	  <mo>)</mo></mrow>
	  </mfrac><mo>&lt;</mo><mi>p</mi><mo>&le;</mo><mn>1</mn>
	  </math>
	  </p>
	<p align="CENTER">
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