public function getArticle($sItemKey)
    {
        if (!$this->oxuserbasketitems__oxartid->value) {
            //this exception may not be caught, anyhow this is a critical exception
            $oEx = oxNew(\OxidEsales\Eshop\Core\Exception\ArticleException::class);
            $oEx->setMessage('EXCEPTION_ARTICLE_NOPRODUCTID');
            throw $oEx;
        }

        if ($this->_oArticle === null) {
            $this->_oArticle = oxNew(\OxidEsales\Eshop\Application\Model\Article::class);

            // performance
            /* removed due to #4178
             if ( $this->_blParentBuyable ) {
                $this->_oArticle->setNoVariantLoading( true );
            }
            */

            if (!$this->_oArticle->load($this->oxuserbasketitems__oxartid->value)) {
                return false;
            }

            $aSelList = $this->getSelList();
            if (($aSelectlist = $this->_oArticle->getSelectLists()) && is_array($aSelList)) {
                foreach ($aSelList as $iKey => $iSel) {
                    if (isset($aSelectlist[$iKey][$iSel])) {
                        // cloning select list information
                        $aSelectlist[$iKey][$iSel] = clone $aSelectlist[$iKey][$iSel];
                        $aSelectlist[$iKey][$iSel]->selected = 1;
                    }
                }
                $this->_oArticle->setSelectlist($aSelectlist);
            }

            // generating item key
            $this->_oArticle->setItemKey($sItemKey);
        }

        return $this->_oArticle;
    }